Question

Sandy takes a random sample of 10 of her classmates and determines their average height. She takes a second random sample of 10 and obtains a different value. This is an example of _______.

Answer 1

The term "sampling variability" refers to the fact that the statistical information from a sample (called a statistic) will vary as the random sampling is repeated. Sampling variability will decrease as the sample size increases.

Then, the variation of the average height observed by Sandy is an example of random sampling variation.

The answer is option C