Question

39. To locate the appropriate t value, which is not necessary?

A. degrees of freedom

b. level of confidence

c. population mean

d. variability in the population

40. The critical value (which is determined by the confidence level and corresponding alpha) is set by the researcher True or False

41. A “p-value” represents

a. the practical solution

b. the probability of the observed value occurring IF the hypothesis is true

c. the probability of the observed value occurring IF the hypothesis is NOT true

d. the probability that the “null” hypothesis is false

45. The threshold for defining if an event is rare enough to reject the “null” hypothesis is called

1. The significance level
2. The alpha level
3. Z score
4. All of the above

Answer 1

39. To locate the appropriate t value, which is not necessary?

Answer = population mean

40. The critical value (which is determined by the confidence level and corresponding alpha) is set by the researcher

Answer - True

41. A “p-value” represents

Answer - the probability of the observed value occurring IF the hypothesis is NOT true

45. The threshold for defining if an event is rare enough to reject the “null” hypothesis is called  

Answer - All of the above