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d. Find the IQR. The IQR for the test scores is 32.5. (Round to one decimal place as needed.) e. Find the variance of the scores. The variance of the scores is (Round to one decimal place as needed.)

d. Find the IQR. The IQR for the test scores is 32.5. (Round to one decimal place as needed.) e. Find the variance of the scores. The variance of the scores is (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In a Math 131 class at a University, the grades on the first exam are shown in the table below. Complete parts (a) through (g) below. 66 87 91 84 53 92 72 50 (Round to one decimal place as needed.) c. Find the mode. d. Find the IQR. 66 56 A. The mode of the test scores is 56 B. The modes of the test scores are (Use a comma to separate answers as needed.) C. There is no mode for the test scores. The IQR for the test scores is 32.5. (Round to one decimal place as needed.) e. Find the variance of the scores. 91 70 The variance of the scores is (Round to one decimal place as needed.) 56 45 53 94 Find the mode of the test scores. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 69 47 41 56 80 0
Transcribed Image Text:In a Math 131 class at a University, the grades on the first exam are shown in the table below. Complete parts (a) through (g) below. 66 87 91 84 53 92 72 50 (Round to one decimal place as needed.) c. Find the mode. d. Find the IQR. 66 56 A. The mode of the test scores is 56 B. The modes of the test scores are (Use a comma to separate answers as needed.) C. There is no mode for the test scores. The IQR for the test scores is 32.5. (Round to one decimal place as needed.) e. Find the variance of the scores. 91 70 The variance of the scores is (Round to one decimal place as needed.) 56 45 53 94 Find the mode of the test scores. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 69 47 41 56 80 0
Expert Solution
Step 1: Given information

The provided information is as follows:
The total number of observations is straight n equals 21.
The data for the grades on the first exam is 

x
66
91
53
72
66
91
56
53
69
41
80
87
84
92
50
56
70
45
94
47
46
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