For the given data, the value of the mean square error is ...

[dbose]

For the given data, the value of the mean square error is ________.
 
  A) 2,444,136.45
  B) 1,563.37
  C) 1,341.46
  D) 14.78

Question 2

The national sales manager for a textbook publishing company wishes to estimate the mean number of books sold per college. She wishes to have her estimate be within  30 copies and wants a 95 percent confidence interval estimate.
 
  If a pilot sample of 30 schools gave a sample standard deviation equal to 60 books, the required total sample size is less than the pilot sample already taken. Indicate whether the statement is true or false

[huda]

Answer to Question 1

A

Answer to Question 2

TRUE

[dbose]

Excellent

[Jsherida]

TYSM