Explore BrainMass

# Hypothesis Testing and P-Value

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

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.

\$2.19