For the set of scores 1, 2, 3, 4, 5, 6, 7, _____ . a. the mean ...

[skymedlock]

For the set of scores 1, 2, 3, 4, 5, 6, 7, _____ .
 
  a. the mean is 4.0
  b. the median is 4.0
  c. there is no mode
   d. all the above

Question 2

If you wish to increase the confidence level for the estimation of a parameter, then the .
 
  a. confidence interval will get larger
  b. confidence interval will get smaller
  c. sample must be smaller
  d. variance must be increased

[bobsmith]

Answer to Question 1

D

Answer to Question 2

A

[skymedlock]

Thanks for the timely response, appreciate it

[amandanbreshears]

Wow, this really help