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If a student scored 86 points on a test

06/12/2021 Client: muhammad11 Deadline: 2 Day

Chapter 3

Question 1 What is the median of the following set of values? 8, 6, 3, 1, 12 a. 5 b. 6 c. 7

Question 2 Find the mode for the following data? 5, 4, 3, 4, 5, 6, 5, 5, 3, 4 a. 3 b. 4 c. 5 d. 6

Question 3 What is the midrange of the following data set? 2, 8, 7, 9, 1, 9, 15, 15, 15 a. 8 b. 9 c. 2 d. 15

Question 4 Find the mean of the following data set? 8, 3, 6, 1, 12 a. 3.0 b. 5.0 c. 6.0 d. 7.0

Question 5 What is the median of the following data set? 7, 10, 14, 15, 19 a. 13 b. 14 c. 15 d. 17

Question 6 The number of police officers in selected city districts is listed below. Find the mode. 24, 26, 24, 30, 23, 28, 19, 31, 24, 26, 19 a. 23 b. 24 c. 26 d. 28

Question 7 Find the median for the following data. 6, 7, 4, 5, 3, 7, 4 a. 3 b. 4 c. 5 d. 7

Question 8 What is the mean of the following data set? 5, 9, 12, 13, 14 a. 8.0 b. 10.6 c. 12.0 d. 15.4

Question 9 What is the median of the following set of values? 6, 20, 18, 14, 18, 13, 14, 18 a. 12 b. 16 c. 14 d. 18

Question 10 What is the mode of the following data set? 8, 22, 20, 16, 20, 18, 15 a. 14 b. 18 c. 16 d. 20

Question 11 A student received the following grades last semester. Find the student's semester grade point average. Course Credits Grade/Points Statistics 4 A / 4.0 Physics 5 A / 4.0 Sociology 3 B / 3.0 Literature 2 B / 3.0 Tennis 1 D / 1.0

a. 3.20 b. 3.46 c. 3.57 d. 3.32

Question 12 Determine the range for the following data set. 4, 7, 3, 16, 5, 22, 8 a. 4 b. 3 c. 14 d. 19

Question 13 Determine the range for the following data set. 5, 17, 9, 7, 23 a. 5 b. 9 c. 18 d. 23

Question 14 What is the range of the set of values 4, 6, 2, 7, and 15. a. 4 b. 6 c. 17 d. 13

Question 15 Find the range of the set of values 4, 15, 3, 10, and 5. a. 3 b. 15 c. 9 d. 12

Question 16 The grades for the trigonometry exam are listed below. Find the range. 85, 76, 93, 82, 84, 90, 75 a. 76 b. 9 c. 11 d. 18

Question 17 Given that the variance for a data set is 1.20, what is the standard deviation? a. 1.10 b. 1.44 c. 1.20 d. 0.60

Question 18 If a set of data has 49 values with a variance of 9.6, then the standard deviation is _________. a. 1.4 b. 0.4 c. 0.2 d. 3.1

Question 19 If a data set has 9 values and a standard deviation 9.4, then the variance is ____. a. 88.4 b. 3.1 c. 29.5 d. 28.2

Question 20 Given that the mean of a set of data is 25 and the standard deviation is 3, what is the coefficient of variation? a. 0.12 b. 12% c. 8.33 d. 833%

Question 21 According to Chebyshev's theorem, the maximum proportion of data values from a data set that are more than 3 standard deviations from the mean is _________. a. 0.33 b. 0.08 c. 0.67 d. 0.11

Question 22 if a student scored 86 points on a test where the mean score was 79.2 and the standard deviation was 4.7. The student's z score is _______. a. 16.85 b. 18.30 c. 0.31 d. 1.45

Question 23 A baseball player has a batting average of 0.325 each week of the season, with a standard deviation of 0.065. What is the z score when he bats 0.410 one week? a. 1.308 b. 0.410 c. 0.325 d. 1.275

Question 24 If a student scored 78 points on a test where the mean score was 84.5 and the standard deviation was 3.1. The student's z score is ________. a. 27.26 b. 0.68 c. –0.68 d. –2.10

Question 25 Using the table below, what grade would a student who ranked in the 50th percentile receive. Grade Class Boundaries Frequency A 89.5–99.5 4 B 79.5–89.5 7 C 69.5–79.5 11 D 59.5–69.5 3 F 49.5–59.5 3

a. B b. C c. D d. F

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