A sampling distribution describes what?
Answer and explanation
Correct answer: C. How a statistic varies from sample to sample
- Step 1: Imagine taking many samples of the same size. Step 2. The distribution of the statistic across them is the sampling distribution. Answer: how a statistic varies from sample to sample. Why not the others: A sampling distribution models the probability distribution of a calculated statistic across all possible random samples of the same size drawn from a population.
Practise more Data, Probability and Inference.
Free questions with an explanation for every one, and full timed AP (Advanced Placement) mock tests.
More Data, Probability and Inference questions
- Which measure of center is least affected by extreme values in a data set?
- A data set is skewed to the right. Which statement about its mean and median is most likely true?
- Heights of adult men are approximately normally distributed with a mean of 70 inches and a standard deviation of 3 inches. About what percen…
- A z-score of -1.5 for a test score means that the score is what?
- A correlation coefficient of r = -0.9 between two variables indicates what?
- In the regression equation y-hat = 5 + 2x, what does the slope of 2 mean?