e sufficient evidence at the 0.01 level of significance tha e the null hypothesis, Hg, and the alternative hypothesi egers or decimals. Do not round.)
e sufficient evidence at the 0.01 level of significance tha e the null hypothesis, Hg, and the alternative hypothesi egers or decimals. Do not round.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%

Transcribed Image Text:The accompanying data provides the results of a survey of 27 employees in a tax division of a Fortune 100 company.
a. Test the null hypothesis that the average number of years of service is the same for males and females. Assume that the population variances are unequal.
b. Test the null hypothesis that the average years of undergraduate study is the same for males and females. Assume that the population variances are unequal.
E Click the icon to view the survey data.
a. Is there sufficient evidence at the 0.01 level of significance that the average number of years of service is the same for males and females?
Determine the null hypothesis, H,, and the alternative hypothesis, H,. Let females be population 1 and males be population 2.
Ho
H,:
(Type integers or decimals. Do not round.)
Compute the test statistic.
(Round to two decimal places as needed.)
Find the p-value for the test.
(Round to three decimal places as needed.)
State the conclusion.
V the chosen value of a, so
The p-value is
is different for males and females.
the null hypothesis. There is
evidence to conclude that the average number of years of service
b. Is there sufficient evidence at the 0.01 level of significance that the average years of undergraduate study is the same for males and females?
Determine the null hypothesis, H,, and the alternative hypothesis, H,. Let females be population 1 and males be population 2.
H,:
(Type integers or decimals. Do not round,)
Compute the test statistic.
(Round to two decimal places as needed.)
Find the p-value for the test.
O (Round to three decimal places as needed.)
State the conclusion.
The p-value is
V the chosen value of a, so
V the null hypothesis. There is
V evidence to conclude that the average years of undergraduate
study is different for males and females.
Survey data
Years Undergraduate
Study
Years Undergraduate
Study
Gender
Years of Service
Gender
Years of Service
Female
16
4.
Male
9
4
Female
7
2
Male
16
Female
10
4
Male
25
4
Female
22
Male
9
4.
Female
6
Male
24
Female
8
4
Male
25
4
Female
7
2
Male
17
2
Female
6
4
Male
Female
10
1
Male
18
4
Female
10
2
Male
19
Female
13
4
Male
32
4
Female
12
Male
27
Female
9
4
Male
26
1
Female
Print
Done
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