Question

Kara, Sammy, Liz, and Mark each took many samples from the same population of students. The number of students in each of their samples is shown below. The sample means of which person likely showed the least variability. Person taking the sample: Kara Sammy Liz Mark # of students in each sample:14 83 46 65 A. Mark B. Sammy C. Kara D. Liz

Answer 1

B. Sammy

Explanation:

Kara, Sammy, Liz and Mark each took many samples from the same population of students. But the number of students in the Sammy's sample is largest, hence their mean will have lest variation.