Question
According to the U.S. Department of Education, full-time graduate students receive an average salary of $12,800 with a standard deviation of $1800. The dean of
According to the U.S. Department of Education, full-time graduate students receive an average salary of $12,800 with a standard deviation of $1800. The dean of graduate studies at a large state university in PA wants to find out whether his graduate students earn more than this. He surveys 46 randomly selected students and finds their average salary is $13,445. (a) What is the population? (b) What are the null and alternative hypotheses? (c) What test is appropriate? Calculate the test statistic. (d) What is the p-value of the test statistic? Is it significant? Explain your answer. (d) What is the conclusion from this test?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started