Complete the sentence As sample size the sampling variabili

Complete the sentence: As sample size ____________, the sampling variability ________ and the chance of drawing a really unrepresentative sample ________.

a. Decreases, decreases, decreases

b. Increases, increases, increases

c. Increases, decreases, increases

d. Increases, decreases, decreases

e. Decreases, increases, decreases

Solution

OPTION D: Increases, decreases, decreases [ANSWER]

***********************

As sample size INCREASES, the sampling variability DECREASES.

This is because the standard error is given by s/sqrt(n). So as you can see, variability decreases with increasing n.

... and the chance of drawing a nearly unrepresentative sample DECREASES.

This is because variability decreases, so the statistic you will get tend to be nearer to the actual parameter.