1.) The average ACT score last time was 28.5. This time we believe the average will increase. We sample 49 students and find the average ACT score is 29.5. The population standard deviation is 5. What is the test-statistic?

Group of answer choices

A.) .20

B.) -1.40

C.) None of the other choices is correct

D.) 1.40

E.) -.20

2.) Suppose the amount of money spent at a movie for one person is reported to be $25.00, but you believe it's more than that. You take a random sample of 10 people and find the average money spent is $30.00 with a sample standard deviation of $5.00. Which table do you use to find the p-value? Assume money spent has a normal distribution.

Group of answer choices

A.) Z-table

B.) binomial table

C.) t-table

D.) Not enough information to tell.

3.) Suppose we used StatCrunch to find the exact test statistic for a two-tailed (not equal to) hypothesis test for the mean, and it turned out to be 1.33. The population standard deviation is known. What is the p-value?

Group of answer choices

A.) .1836

B.) .0918

C.) None of the other choices is correct

D.) .4082