Question

1. a donut shop owner wanted to know how her customers felt about a certain cream - filled donut. she knows she cannot contact all of her customers, so she decides to ask the customers who come in on a monday. there were 115 total customers that day. one of her customers is a statistician, and she says she cannot use this data to make an inference about all her customers. which of the following statements best gives a reason why the statistician would say that? a. the survey was not large enough. b. the sandwich shop owner should have conducted the survey. c. the sample was not random. d. an experiment rather than a survey shouldve been conducted.

Explanation:

For making inferences about all customers, the sample should be random. Selecting only customers on a Monday is a non - random sample as customer preferences on a Monday may not represent those of all customers on other days.

Answer:

c. The sample was not random.