49 If a statistician specifies a 5 level of significance the

49. If a statistician specifies a 5% level of significance, then she will reject the null hypothesis only if her sample result differs from her hypothesized value by an amount that would occur by chance

a) Less than 5% of the time.

b) More than 5% of the time.

c) 95% of the time or more.

d) 2.5% of the time or less.

50. Which of the following statements is false?

a) Ho refers to a specified value of the population parameter.

b) The statement of Ho always contains an equality.

c) The statement of H1 never contains an equality.

d) Ho refers to a specified value of the sample statistic.

1.429 points   

QUESTION 51

51. The __________measures how close the computed sample statistic has come to the hypothesized population parameter.

a) Level of significance

b) Sample size

c) Confidence coefficient

d) Test statistic

52. The ______________hypothesis represents the conclusion for which evidence is sought.

a) Ho

b) H1

c) Null hypothesis

d) Critical value

53. The statement of the __________________hypothesis never contains an equality.

a) Ho

b) H1

c) Null hypothesis

d) Critical value

54. The __________________ separates the region of rejection from the region of non rejection.

a) Ho

b) H1

c) Test Statistic

d) Critical value

Solution

49.

We reject if p < 0.05.

Thus, OPTION A.

50.

OPTION D: Ho refers to a specified value of the sample statistic.

51.

OPTION D: TEST STATISTIC

52.

Experiments are set up hoping to prove:

OPTION B: H1 [ALTERNATIVE HYPOTHESIS]

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