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20 Dec 2021
Given information
College students may be interested in whether or not their majors have any effect on starting-salaries after graduation. Suppose that 
recent graduates were surveyed as to their majors in college and their starting salaries after graduation.
Step-by-step explanation
Step 1.
Salaries are unrelated to majors, according to the null hypothesis 
.
.Salaries are based on majors, according to hypothesis 
.
.Now, the degree pf the freedom,
Chi-square distribution with 
can be used.
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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
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