Author Question: When a computed z-value (for a test for differences between two percentages), say 4.51, is larger ... (Read 67 times)

hubes95 · **on:** Jun 28, 2018

When a computed z-value (for a test for differences between two percentages), say 4.51, is larger than the standard z-value, say 1.96, then this amounts to
a. support for the null hypothesis; the two percentages are different.
b. no support for the null hypothesis; the two percentages are not different.
c. support for the null hypothesis; the two percentages is not different.
d. no support for the null hypothesis; the two percentages are different.
e. None of these are correct.

Question 2

Mei is considering a CRM project for her small fruit snack company. As she and her top managers debate the issue, what is likely to be biggest financial obstacle to the implementation of a CRM system
a. The cost of hiring a sales force to gather customer data.
b. The cost of licensing the needed software.
c. The cost of hiring a marketing agency to place ads around the web.
d. The cost of training middle management on the proper use of CRM.