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1 Will making each of the following changes increase, decrease, or have no effect on the...

1 Will making each of the following changes increase, decrease, or have no effect on the size of a t-value? In each case, circle the appropriate response.

a. Increasing the difference between the means.

Increase

Decrease

No Change

b. Decreasing the variance of both groups.

Increase

Decrease

No Change

c. Increasing the sample size of both groups.

Increase

Decrease

No Change

d. Decreasing the population size

Increase

Decrease

No Change
math   Statistics-And-Probability   
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Answer #1

The yellow highlighted cell is the correct response in each case:

a. Increasing the difference between the means. Increase Decrease No Change Increase Decrease No Change Increase Decrease No Change Increase |Decrease No Change b. Decreasing the variance of both groups. c. Increasing the sample size of both groups. d. Decreasing the population size ecrease No Change

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