Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test Post-Test 1 22 2 11 28 3 9. 18 4 4 24 10 25 11 16 7 19 8 9. 20 7 18 10 8 14 11 5 16 12 15 26 13 12 21 14 14 15 13 (a) Find the range of the pre-test scores. (b) Find the standard deviation for the pre-test scores. (c) Find the range of the post-test scores. (d) Find the standard deviation for the post-test scores.
Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is considered a perfect score). Round your answers to the nearest tenth, if necessary. Student Pre-Test Post-Test 1 22 2 11 28 3 9. 18 4 4 24 10 25 11 16 7 19 8 9. 20 7 18 10 8 14 11 5 16 12 15 26 13 12 21 14 14 15 13 (a) Find the range of the pre-test scores. (b) Find the standard deviation for the pre-test scores. (c) Find the range of the post-test scores. (d) Find the standard deviation for the post-test scores.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:Fifteen students took a statistics pre-test and post-test. The results are below (a score of 28 is
considered a perfect score). Round your answers to the nearest tenth, if necessary.
Student Pre-Test Post-Test
1
22
11
28
3
9
18
4
4
24
5
10
25
6
11
16
7
9
19
8
9
20
9
7
18
10
8
14
11
16
12
15
26
13
12
21
14
14
15
13
(a) Find the range of the pre-test scores.
(b) Find the standard deviation for the pre-test scores.
(c) Find the range of the post-test scores.
(d) Find the standard deviation for the post-test scores.
00
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