The Read and Feed restaurant wants to know how satisfied their customers are with their service. They printed an internet link to a survey on every receipt, and 150 of their customers chose to answer the survey. The data showed that 60%, percent of the customers were satisfied with their service.

Based on this data, which of the following conclusions are valid?

Choose 1

(Choice A)

A

60%, percent of customers in this sample are satisfied, but we cannot conclude anything about the population.

(Choice B)

B

About 60%, percent of all Read and Feed customers are satisfied.

(Choice C)

C

About 60%, percent of all Read and Feed customers who have internet access are satisfied.

I need some help!

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.