Question 3.3

3.3 What’s the parameter? An online store contacts 1500 customers from its list of customers who have purchased in the last year and asks the customers if they are very satisfied with the store’s website. One thousand (1000) customers respond, and 696 of the 1000 say that they are very satisfied with the store’s website. The parameter is

  1. (a) the 69.6% of respondents who replied they are very satisfied with the store’s website.

  2. (b) the percentage of the 1500 customers contacted who would have replied they are very satisfied with the store’s website.

  3. (c) the percentage of all customers who purchased in the last year who would have replied they are very satisfied with the store’s website.

  4. (d) None of the above is the parameter.