Question
8. In the year 2014, a sample of 29 college music students had a sample mean math ACT score of 21.1 with a sample standard
8. In the year 2014, a sample of 29 college music students had a sample mean math ACT score of 21.1 with a sample standard deviation of 5.7. You wish to use these results to address the following statistical question: Do the data provide sufficient evidence to indicate that the mean math ACT score for all college music students in 2014 differed from the national average of 20.9? You will answer this question by testing the null hypothesis H0: = 20.9 against the alternative hypothesis Ha: 20.9. Use a significance level of = 0.05.
(a.) Compute the value of the test statistic. Show the formula and all computations.
(b.) Identify the rejection region. You may use a diagram or picture if you want. Be sure to explain how you obtain any numbers that you use.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-text-image.webp)
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Step: 3
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started