GLOBO, a Canadian shoe chain, has recently launched an online store. Sales via the Internet have been been sluggish compared to their brick and mortar stores, and management suspects that its regular customers have concerns regarding the security of online transactions. To determine if this is the case, management plans to survey a sample of regular customers.

1) Suppose that GLOBO's regular customers belong to a rewards program and have a customer 5) rewards ID number. GLOBO decides to randomly select 100 numbers. This sampling plan is called A) convenience sampling.

B)  cluster sampling.

C) stratified sampling.

D) systematic sampling.

E)  simple random sampling.

2) One member of the management team at GLOBO suggests that the survey could be conducted  6) online. Customers logging on to the online store would be asked to take a few minutes to complete the survey and would be offered a coupon as incentive to participate. Which of the following statements is true?

I. This is a voluntary response sample.

II. This would result in an unbiased random sample.

III. This would result in a biased sample.

A) I only

B) II only

C) III only

D) I and II

E) I and III