b. Test for normality using a goodness of fit test. Report the goodness of fit p-value and state if the data for are normal. c. Do you need to test for unequal variances given the type of t-test?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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mass (g)
14.3
11.5
1 sex
2 male
3 male
4 male
5 male
6 female
7 female
8 female
9 male
10 female
11 female
12 female
10.2
9.4
10.9
8.9
8.9
7.2
6.1
8.6
8.6
13 male
11.1
14 male
8.9
15 female
9.2
16 male
9.2
17 female
9.1
18 female
8.8
19 male
8.8
20 male
13.7
21 male
13.5
22 female
11.4
23 male
13.2
24 male
14.7
25 male
14.4
26 female
14.0
27
Transcribed Image Text:mass (g) 14.3 11.5 1 sex 2 male 3 male 4 male 5 male 6 female 7 female 8 female 9 male 10 female 11 female 12 female 10.2 9.4 10.9 8.9 8.9 7.2 6.1 8.6 8.6 13 male 11.1 14 male 8.9 15 female 9.2 16 male 9.2 17 female 9.1 18 female 8.8 19 male 8.8 20 male 13.7 21 male 13.5 22 female 11.4 23 male 13.2 24 male 14.7 25 male 14.4 26 female 14.0 27
b. Test for normality using a goodness of fit test. Report the goodness of fit p-value and
state if the data for are normal.
c. Do you need to test for unequal variances given the type of t-test?
Transcribed Image Text:b. Test for normality using a goodness of fit test. Report the goodness of fit p-value and state if the data for are normal. c. Do you need to test for unequal variances given the type of t-test?
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