1. I wish to show that the average house in Upper Warden sells for less than $250,000. I take a SRS of 75 sales and find the sample average is $241,000 with a sample standard deviation of $30,000. Alpha = 0.1.
2. Ho:

Ha:

B. Critical Value is ______

C. Test statistic is ______

D. P value= _______

E. Decision is to ________

F. This means....

a. The average is above 250,000

b. The average is below 250,000

c. Cannot tell if the average is below 250,000

d. The average is 250,000