no 17.

0.5 pts Question 15 Kristen Ashford purchased the subscribers list for Wind Surfing Journal. She plans to survey a sample of the subscribers before using the list in her mail-order business. She randomly selects the fourth name as a starting point and then selects every 50th subsequent name (54, 104, 154, etc.). Her sample is a . . . . . . . . . . . . . .. O Snowball O stratified O Quota sample O Systematic . Previous Ne JOWN Not saved LEGION ESC F2 Faat F4 F5 F6 X' F7 F8 @ S 13Question 16 The length of a confidence interval (the difference between the lower and upper limit) for a mean is not affected by changes in which of the following? The desired confidence level O The Sample mean O The variance of the sample O The Size of the sample . PreviousQuestion 17 In the model y = BO + Blacl + BZa2 + E, E is O the error of prediction the regression constant O the response variable O partial regression coefficient 300WM Previous