Salary information regarding male and female employees of a large company is shown below. Male Female Sample Size 60 30 Sample Mean Salary (in $1000) 45 40 Population Variance () 120 70
Salary information regarding male and female employees of a large company is shown below. Male Female Sample Size 60 30 Sample Mean Salary (in $1000) 45 40 Population Variance () 120 70
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
Salary information regarding male and female employees of a large company is shown below.
|
Male |
Female |
|
|
60 |
30 |
|
| Sample |
45 |
40 |
| Population Variance () |
120 |
70 |
If you are interested in testing whether or not the population average salary of males is significantly greater than that of females, at α = .05, the conclusion is that the population
a) average salary of males is greater than females cannot be proved.
b) average salary of males is significantly greater than females.
c) salaries of males and females are equal.
d) average salary of males is significantly lower than females.
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