Data and statistics unit test

Math | Graded Assignment | Unit Test, Part 2 | Statistics Name: Date: Graded Assignment Unit Test, Part 2: Statistics Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit. Total score: ____ of 25 points (Score for Question 1: ___ of 7 points) 1. Find the five-number summary and draw a box-and-whisker plot for the data set. 84, 89, 93, 97, 91, 62, 58, 104, 91, 73, 101, 71, 98 Answer: © 2015 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 1 of 3 Math | Graded Assignment | Unit Test, Part 2 | Statistics (Score for Question 2: ___ of 10 points) 2. The lengths of boats in a harbor, in feet, are listed below. 17, 16, 56, 50, 14, 30, 12, 33, 82, 16, 10, 52, 25, 25, 19, 75, 24, 12, 30, 12, 20, 38, 26, 36, 33, 24, 18, 26, 40, 40 (a) Make a frequency table for the data set. Use 5–14 as the first class interval. (b) Use the table to draw a histogram. (c) Describe the type of distribution. Identify the relationship of the mean and the median. (d) Do you think the distribution could be a normal distribution? Explain. Answer: © 2015 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 2 of 3 Math | Graded Assignment | Unit Test, Part 2 | Statistics (Score for Question 3: ___ of 8 points) 3. The table shows the distance and costs of flights for a given airline with the same starting destination and different ending destinations. Distance (miles) 1281 2796 790 150 3211 7810 812 210 7742 3578 1346 3214 Cost (dollars) 473 683 508 301 1115 3619 587 540 3013 1647 882 817 (a) Find the equation of the median-median line for the data. (b) Predict the cost of a flight that travels a distance of 1950 miles. Answer: © 2015 K12 Inc. All rights reserved. Copying or distributing without K12’s written consent is prohibited. Page 3 of 3 ...
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