1.) If Ha is not equals, you have to double the probability of being beyond your test statistic to get your p-value

a) True

b) False

2.) If you reject Ho in a hypothesis test for the mean, the value of u_o is guaranteed not to be in the corresponding confidence interval. (Assume Ha is , alpha = .05, confidence level = 95%)

a) True

b) False

3.) If your p-value is .11, and the significance level is .05, what do you conclude?

a) Reject Ho

b) Not enough information to tell

c) Fail to reject Ho

4.) Failing to reject Ho and Accepting Ho are both appropriate conclusions that mean the same thing

a) True

b) False

5.) Bottles of cream have a normal distribution with mean 8 ounces. You would stop the process if the containers were being filled incorrectly. What is your alternative hypothesis?

a) Ha: u > 8

b) Ha: u < 8

c) None of the other answers is correct.

d) Ha: u not equal to 8

6.) Bottles of cream have a normal distribution with mean 8 ounces. You would stop the process if the containers were being filled incorrectly. Your sample of 30 containers has an average weight of 7.7 ounces. Assume the standard deviation is .8. What is your test statistic?

a) 7.7

b) 2.05

c) -2.05

d) -.375

e) None of the other choices is correct

7.) Bob's alternative hypothesis is Ha: u > 8 and his test statistic is 1.75. What is Bob's p-value?

a) .0401

b) .9599

c) .4599

d) .0802

8.) If your test statistic is negative, so is your p-value

a) True

b) False

9.) The significance level is the same as a Type 2 error

a) True

b) False

10.) If you reject Ho, which type of error could you be making?

a) Type 2 error

b) No error is made, your conclusion is correct.

c) Type 1 error

d) Could make both Type 1 and Type 2 errors

11.) Suppose you want to estimate the average age of all Pokemon players. Would you use a confidence interval or a hypothesis test?

a) A confidence interval

b) A hypothesis test

12.) Suppose someone reports that the average age of all Pokemon players is 13. You believe it's higher than that because your statistics professor plays Pokemon. You decide to challenge the claim. Do you use a confidence interval or a hypothesis test?

a) hypothesis test

b) either a hypothesis test or a confidence interval

c) confidence interval

13.) What is the name for the cutoff value that lets you decide between rejecting Ho and failing to reject a) Ho with your p-value?

b) None of the other choices is correct

c) significance level

d) Z-level

e) confidence level

14.) When you take the given information and form a Z-score in a hypothesis test for the mean, what is the special name of that result?

a) None of the other choices is correct

b) sample statistic

c) test statistic

d) descriptive statistic

15.) A Type 2 error is described as a false alarm

a) True

b) False