Mat 300 midterm exam answers

MAT 300 – Assignments and Rubrics

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MAT 300 Student Version 1144 (1261 3-24-2014)

ALEKS Pie Completion Worth 400 points

The primary goal of this class is for you to complete the entire pie by the end of the term. Points for pie completion will be added to your score at the end of the term.

ALEKS

Emphasis on Lab Work. On-ground sections of the course will be taught in a computer lab, with three (3) hours of lab time using ALEKS for every one (1) hour of traditional instruction. Thus, students in an on- ground section of the course will log about three (3) of the required five (5) weekly hours in ALEKS during class. To get full credit for the ALEKS participation points, on-ground students will have to put in two (2) additional hours using ALEKS outside of class. Online students will also utilize ALEKS in the same or similar manner. All students will start the term by taking a comprehensive ALEKS assessment to identify where they need to focus their efforts. As you master each assigned topic, your progress will be plotted on a pie chart. Your goal will be to fill in the entire pie. Forty (40) percent of your final grade will be based on how much of the pie you fill in. Weekly Lab Requirement. Students are expected to spend at least five (5) hours per week working with ALEKS. The instructor will be able to see how much time you’ve spent in ALEKS and what topics you’ve worked on. Weekly ALEKS time will count toward 10% of your final grade. If you work in ALEKS for five (5) or more hours, you will earn ten (10) points. If you spend less time working in ALEKS, you’ll receive partial credit in direct proportion to the time you spend, at 2.0 points per hour. Please note that five (5) hours is the minimum requirement each week. Generally, the more time you can spend working on the pie, the more you will progress. We recommend that students spend at least six (6) hours each week in ALEKS. If you fill in the ALEKS pie early, your instructor will provide instructions on how to access an expansion pie with advanced topics covered in the next math course, so that you can continue to learn new material while meeting the ALEKS lab requirement. Pacing and Weekly Objectives. While each student will work through a unique ALEKS pathway, this course is being taught in the context of an 11-week term. To assist students in pacing their efforts, weekly objectives have been established. These appear as white dots on your pie chart. Halfway through the term, all students will complete a Midterm Exam, based on the weekly objectives for the first four (4) weeks. Repeating Exams. Students may repeat the Midterm and the Final Exam one (1) time each. Please note that students who score poorly on the Midterm Exam should consult their instructor before taking the exam a second time. Typically, students who score poorly on the Midterm Exam have not completed at least sixty (60) topics in their ALEKS pie. Those in this situation are advised to complete at least sixty (60) topics in the ALEKS pie before retaking the Midterm Exam. Discussion Requirement. Students taking the course on-ground will receive points for class participation and attendance, based on the criteria set by the instructor. Students taking the course online must participate in the online discussion boards each week in Blackboard to earn points for discussion. Discussion makes up 10% of the overall final grade.

MAT 300 – Assignments and Rubrics

© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of Strayer University.

MAT 300 Student Version 1144 (1261 3-24-2014)

Assignment 1: Bottling Company Case Study

Due Week 10 and worth 140 points

Imagine you are a manager at a major bottling company. Customers have begun to complain that the bottles of the brand of soda produced in your company contain less than the advertised sixteen (16) ounces of product. Your boss wants to solve the problem at hand and has asked you to investigate. You have your employees pull thirty (30) bottles off the line at random from all the shifts at the bottling plant. You ask your employees to measure the amount of soda there is in each bottle. Note: Use the data set provided by your instructor to complete this assignment.

Bottle Number

Ounces Bottle Number

Ounces Bottle Number

Ounces

1 14.5 11 15 21 14.1

2 14.6 12 15.1 22 14.2

3 14.7 13 15 23 14

4 14.8 14 14.4 24 14.9

5 14.9 15 15.8 25 14.7

6 15.3 16 14 26 14.5

7 14.9 17 16 27 14.6

8 15.5 18 16.1 28 14.8

9 14.8 19 15.8 29 14.8

10 15.2 20 14.5 30 14.6

Write a two to three (2-3) page report in which you:

1. Calculate the mean, median, and standard deviation for ounces in the bottles.

2. Construct a 95% Confidence Interval for the ounces in the bottles.

3. Conduct a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces

is supported. Clearly state the logic of your test, the calculations, and the conclusion of your test.

4. Provide the following discussion based on the conclusion of your test:

a. If you conclude that there are less than sixteen (16) ounces in a bottle of soda, speculate

on three (3) possible causes. Next, suggest the strategies to avoid the deficit in the

future.

Or

b. If you conclude that the claim of less soda per bottle is not supported or justified, provide

a detailed explanation to your boss about the situation. Include your speculation on the

reason(s) behind the claim, and recommend one (1) strategy geared toward mitigating

this issue in the future.

Your assignment must follow these formatting requirements:

 Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides. No citations and references are required, but if you use them, they must follow APA format. Check with your professor for any additional instructions.

 Include a cover page containing the title of the assignment, the student’s name, the professor’s name, the course title, and the date. The cover page and the reference page are not included in the required assignment page length

The specific course learning outcomes associated with this assignment are:

 Calculate measurements of central tendency and dispersal.

 Determine confidence intervals for data.

MAT 300 – Assignments and Rubrics

© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of Strayer University.

MAT 300 Student Version 1144 (1261 3-24-2014)

 Describe the vocabulary and principles of hypothesis testing.

 Discuss application of course content to professional contexts.

 Use technological tools to solve problems in statistics.

 Write clearly and concisely about statistics using proper writing mechanics.

Grading for this assignment will be based on answer quality, logic / organization of the paper, and language and writing skills, using the following rubric.

Points: 140 Assignment 1: Bottling Company Case Study

Criteria

Unacceptable

Below 60% F

Meets

Minimum

Expectations

60-69% D

Fair

70-79% C

Proficient

80-89% B

Exemplary

90-100% A

1. Calculate the mean, median, and standard deviation for ounces in the bottles. Weight: 20%

Did not submit or incompletely calculated the mean, median, and standard deviation for ounces in the bottles.

Insufficiently calculated the mean, median, and standard deviation for ounces in the bottles.

Partially calculated the mean, median, and standard deviation for ounces in the bottles.

Satisfactorily calculated the mean, median, and standard deviation for ounces in the bottles.

Thoroughly calculated the mean, median, and standard deviation for ounces in the bottles.

2. Construct a 95% Confidence Interval for the ounces in the bottles. Weight: 25%

Did not submit or incompletely constructed a 95% Confidence Interval for the ounces in the bottles.

Insufficiently constructed a 95% Confidence Interval for the ounces in the bottles.

Partially constructed a 95% Confidence Interval for the ounces in the bottles.

Satisfactorily constructed a 95% Confidence Interval for the ounces in the bottles.

Thoroughly constructed a 95% Confidence Interval for the ounces in the bottles.

3. Conduct a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Clearly state the logic of your test, the calculations, and the conclusion of your test. Weight: 30%

Did not submit or incompletely conducted a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Did not submit or incompletely stated the logic of your test, the calculations, and the conclusion of your test.

Insufficiently conducted a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Insufficiently stated the logic of your test, the calculations, and the conclusion of your test.

Partially conducted a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Partially stated the logic of your test, the calculations, and the conclusion of your test.

Satisfactorily conducted a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Satisfactorily stated the logic of your test, the calculations, and the conclusion of your test.

Thoroughly conducted a hypothesis test to verify if the claim that a bottle contains less than sixteen (16) ounces is supported. Thoroughly stated the logic of your test, the calculations, and the conclusion of your test.

4a. If you conclude that there are less than sixteen (16) ounces in a bottle of soda, speculate on three (3) possible causes. Next, suggest the strategies to avoid the deficit in the future. Or

Did not submit or incompletely speculated on three (3) possible causes. Did not submit or incompletely suggested the strategies to avoid the deficit in the future.

Insufficiently speculated on three (3) possible causes. Insufficiently suggested the strategies to avoid the deficit in the future.

Partially speculated on three (3) possible causes. Partially suggested the strategies to avoid the deficit in the future.

Satisfactorily speculated on three (3) possible causes. Satisfactorily suggested the strategies to avoid the deficit in the future.

Thoroughly speculated on three (3) possible causes. Thoroughly suggested the strategies to avoid the deficit in the future.

MAT 300 – Assignments and Rubrics

© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of Strayer University.

MAT 300 Student Version 1144 (1261 3-24-2014)

4b. If you conclude that the claim of less soda per bottle is not supported or justified, provide a detailed explanation to your boss about the situation. Include your speculation on the reason(s) behind the claim, and recommend one (1) strategy geared toward mitigating this issue in the future. Weight: 15%

Or Did not submit or incompletely provided a detailed explanation to your boss about the situation. Did not submit or incompletely included your speculation on the reason(s) behind the claim, and did not submit or incompletely recommended one (1) strategy geared toward mitigating this issue in the future.

Or Insufficiently provided a detailed explanation to your boss about the situation. Insufficiently included your speculation on the reason(s) behind the claim, and insufficiently recommended one (1) strategy geared toward mitigating this issue in the future.

Or Partially provided a detailed explanation to your boss about the situation. Partially included your speculation on the reason(s) behind the claim, and partially recommended one (1) strategy geared toward mitigating this issue in the future.

Or Satisfactorily provided a detailed explanation to your boss about the situation. Satisfactorily included your speculation on the reason(s) behind the claim, and satisfactorily recommended one (1) strategy geared toward mitigating this issue in the future.

Or Thoroughly provided a detailed explanation to your boss about the situation. Thoroughly included your speculation on the reason(s) behind the claim, and thoroughly recommended one (1) strategy geared toward mitigating this issue in the future.

5. Writing / Support for ideas Weight: 5%

Never uses reasons and evidence that logically support ideas.

Rarely uses reasons and evidence that logically support ideas.

Partially uses reasons and evidence that logically support ideas.

Mostly uses reasons and evidence that logically support ideas.

Consistently uses reasons and evidence that logically support ideas.

6. Writing / Grammar and mechanics Weight: 5%

Serious and persistent errors in grammar, spelling, and punctuation.

Numerous errors in grammar, spelling, and punctuation.

Partially free of errors in grammar, spelling, and punctuation.

Mostly free of errors in grammar, spelling, and punctuation.

Free of errors in grammar, spelling, and punctuation.

MAT 300 – Student Notes

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MAT 300 Student Version 1144 (1261 3-24-2014)

Weekly Course Schedule

The purpose of the course schedule is to give you, at a glance, the required preparation, activities, and

evaluation components of your course. For more information about your course, whether on-ground or

online, access your online course shell.

The expectations for a 4.5 credit hour course are for students to spend 13.5 hours in weekly work. This

time estimate includes preparation, activities, and evaluation regardless of the delivery mode.

Instructional Materials

In order to be fully prepared, obtain a copy of the required textbooks and other instructional materials

prior to the first day of class. When available, Strayer University provides a link to the first three (3)

chapters of your textbook(s) in eBook format. Check your online course shell for availability.

Review the online course shell or check with your professor to determine whether Internet-based

assignments and activities are used in this course.

Strayer students are encouraged to purchase their course materials through our designated Strayer

Bookstore. http://www.strayerbookstore.com If a lab is required for the course, the Strayer Bookstore is

the only vendor that sells the correct registration code so that Strayer students may access labs

successfully.

Discussions

To earn full credit in an online threaded discussion, students must have one original post and a minimum

of one other post per discussion thread.

Please note: Material in the online class will be made available three weeks at a time to allow students to

work ahead, however, faculty will be focused on and responding only to the current calendar week. As it

is always possible that students could lose their work due to unforeseen circumstances, it is a best

practice to routinely save a working draft in a separate file before posting in the course discussion area.

Professors hold discussions during class time for on-ground students. Check with your professor if any

additional discussion participation is required in the online course shell outside of class hours.

Tests

Tests (quizzes, midterm and final exams, essay exams, lab tests, etc.) are available for student access

and completion through the online course shell. Check the online course shell to determine how students

are expected to take the tests. Do not change these questions or their point values in any way. This

disrupts the automated grade book preset in the online course shell.

 Online students are to complete the test by Monday 9:00 a.m. Details regarding due dates are

posted in the Blackboard Calendar tool.

 On-ground students are to complete the tests after the material is covered and before the next

class session.

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MAT 300 – Student Notes

© 2014 Strayer University. All Rights Reserved. This document contains Strayer University Confidential and Proprietary information and may not be copied, further distributed, or otherwise disclosed in whole or in part, without the expressed written permission of Strayer University.

MAT 300 Student Version 1144 (1261 3-24-2014)

Assignments

A standardized performance grading rubric is a tool your professor will use to evaluate your written

assignments. Review the rubric before submitting assignments that have grading rubrics associated with

them to ensure you have met the performance criteria stated on the rubric.

Grades are based on individual effort. There is no group grading; however, working in groups in the

online or on-ground classroom is acceptable.

Assignments for online students are always submitted through the online course shell. On-ground

professors will inform students on how to submit assignments, whether in paper format or through the

online course shell.

Resources

The Resource Center navigation button in the online course shell contains helpful links. Strayer University

Library Resources are available here as well as other important information. You should review this area

to find resources and answers to common questions.

Technical support is available for the following:

 For technical questions, please contact Strayer Online Technical Support by logging in to your

iCampus account at https://icampus.strayer.edu/login and submitting a case under “Student

Center,” then “Submit Help Ticket.” If you are unable to log in to your iCampus account, please

contact Technical Support via phone at (877) 642-2999.

 For concerns with your class, please access the Solution Center by logging in to your iCampus

account at https://icampus.strayer.edu/login and submitting a case under “Student Center,” then

“Submit Help Ticket.” If you are unable to log in to your iCampus account, please contact the IT

Help Desk at (866) 610-8123 or at mailto:IThelpdesk@Strayer.edu.

TurnItIn.com is an optional online tool to assess the originality of student written work. Check with your

professor for access and use instructions.

The Strayer Policies link on the navigation bar in the online course shell contains academic policies. It is

important that students be aware of these policies.

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