You collect a sample of n = 31 and want to know if this sample is significantly different from the population. If ? is known and ? = .05, what is the appropriate critical value?

a. ±1.645
b. ±1.960
c. ±2.042
d. none of the above


b. ±1.960

Business

You might also like to view...

Which of the following is the method by which marketers collect available information about what is going on in the world that is relevant to their business?

A) a marketing decision support system B) marketing management C) longitudinal research D) a marketing intelligence system E) data mining

Business

In successful team environments, shared leadership, which involves more direct and effective communication between management and its internal customers, is common

Indicate whether the statement is true or false

Business

The extent to which a product is unlikely to fail or break down best describes

A) reliability. B) conformance. C) serviceability. D) aesthetics.

Business

The starting point in developing the master budget is the preparation of the ________

A) cash budget B) production budget C) sales budget D) budgeted income statement

Business