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33. For a confidence level of 80%, the complement is a. 0.01 b. 0.05 c. 0.02 d. 0.20 e. 0.025 34. A student wanted to test a claim about the mean of a population using a simple random sample of twenty blood glucose levels. Which of the following would be the correct degree of freedom to use? a. 20 b. 21 c. 19 d. 10 e. There is not enough information to answer. 35. If the standard deviation is known and your sample size is 42, which test statistic is used to find a confidence interval for the population mean? a. z b. t c. ?² d. F e. z or t 36. If the null hypothesis is ?>5, what is the alternate hypothesis? a. ?>5 b. ?<5 c. ?=5 d. the null hypothesis cannot be ?>5. 37. How do you determine if your test is left-tailed, right-tailed or two-tailed? a. Use the null hypothesis. b. Use the alternate hypothesis. c. Use the ? value. d. Use the ?² value. e. Use the t statistic. 38. The total area under the curve for a normal distribution a. varies depending on the confidence level. b. varies depending on the alpha value. c. is always equal to one. d. is always half of alpha. e. cannot be determined without more information.

          33. For a confidence level of 80%, the complement is
a. 0.01 b. 0.05 c. 0.02 d. 0.20 e. 0.025

34. A student wanted to test a claim about the mean of a population using a simple random sample of twenty blood
glucose levels. Which of the following would be the correct degree of freedom to use?
a. 20 b. 21 c. 19 d. 10 e. There is not enough information to answer.

35. If the standard deviation is known and your sample size is 42, which test statistic is used to find a confidence interval
for the population mean?
a. z b. t c. ?² d. F e. z or t

36. If the null hypothesis is ?>5, what is the alternate hypothesis?
a. ?>5 b. ?<5 c. ?=5 d. the null hypothesis cannot be ?>5.

37. How do you determine if your test is left-tailed, right-tailed or two-tailed?
a. Use the null hypothesis. b. Use the alternate hypothesis.
c. Use the ? value. d. Use the ?² value.
e. Use the t statistic.

38. The total area under the curve for a normal distribution
a. varies depending on the confidence level.
b. varies depending on the alpha value.
c. is always equal to one.
d. is always half of alpha.
e. cannot be determined without more information.

33. For a confidence level of 80%, the complement is
a. 0.01 b. 0.05 c. 0.02 d. 0.20 e. 0.025

34. A student wanted to test a claim about the mean of a population using a simple random sample of twenty blood
glucose levels. Which of the following would be the correct degree of freedom to use?
a. 20 b. 21 c. 19 d. 10 e. There is not enough information to answer.

35. If the standard deviation is known and your sample size is 42, which test statistic is used to find a confidence interval
for the population mean?
a. z b. t c. ?² d. F e. z or t

36. If the null hypothesis is ?>5, what is the alternate hypothesis?
a. ?>5 b. ?<5 c. ?=5 d. the null hypothesis cannot be ?>5.

37. How do you determine if your test is left-tailed, right-tailed or two-tailed?
a. Use the null hypothesis. b. Use the alternate hypothesis.
c. Use the ? value. d. Use the ?² value.
e. Use the t statistic.

38. The total area under the curve for a normal distribution
a. varies depending on the confidence level.
b. varies depending on the alpha value.
c. is always equal to one.
d. is always half of alpha.
e. cannot be determined without more information.

Added by Thomas S.

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