# Hypothesis Testing and P-Value

Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester.

University A University B

Sample Size 50 40

Average Purchase $260 $250

Population Standard Deviation $ 20 $23

We want to determine if, on the average, students at University A spent more on textbooks then the students at University B.

a.Compute the test statistic.

b.Compute the p-value.

c.What is your conclusion? Let alpha = .05.

https://brainmass.com/statistics/hypothesis-testing/hypothesis-testing-and-p-value-345513

#### Solution Preview

Please refer attached file for complete solution. Expressions/Characters typed with the help of equation writer are missing here.

Solution:

Ho: There is not difference expenditure on text books

H1: students at University A spent more on textbooks then the students at University ...

#### Solution Summary

Solution describes the steps for hypothesis testing if students at University A spent more on textbooks then the students at University B. It also calculates p value for the test.