Question

Response rates to web surveys are typically low, partially due to users starting but not finishing the survey. The factors that influence response rates were investigated. A survey company designed a study to verify this information. Web users were directed to participate in one of several surveys with different formats. One format utilized a welcome screen with a white background and the other one with a blue background. Data of the survey are given in OnlineHW.xlsx. Use three digits whenever necessary.

1)Test if there is a difference in the break off rate when different color welcome screens are used. a =0.01.

a) State the hypothesis

b) What is the decision rule?

c) Test statistic

d) Decision and managerial decision

Data:

	white	blue
completed	141	146
break off	49	37

Answer 1