Question 2 (1 point) The t statistic and z statistic have which of the following

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Question 2 (1 point)

The t statistic and z statistic have which of the following in common?

Question 2 options:

a. Both of them are contrasting population mean against population standard deviation

b. Both of them are contrasting observed difference against expected difference

c. Both of them are contrasting population standard deviation against sample standard deviation

d. Both of them are contrasting standard error against estimated standard error

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Question 3 (1 point)

A key difference between a t statistic and a z statistic is that the standard error is ________ to compute a t statistic.

Question 3 options:

a. removed

b. replaced

c. estimated

d. placed in the numerator

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Question 4 (1 point)

Two researchers (A and B) compute a one-sample t test. For both tests, the mean difference between the sample and value stated in the null hypothesis is 5, but the standard error is smaller for Researcher A. Which test is more likely to result in a decision to reject the null hypothesis?

Question 4 options:

a. Researcher A.

b. Researcher B.

c. The likelihood is the same for both researchers.

d. There is not enough information to answer this question.

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a. Both of them are contrasting population mean against population standard deviation

b. Both of them are contrasting observed difference against expected difference

c. Both of them are contrasting population standard deviation against sample standard deviation

d. Both of them are contrasting standard error against estimated standard error

Explanation / Answer

2) Option - B

3) Option - C

4) Researher B

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