For Exercises 5.40 and 5.41, see page 269; and for 5.42 and 5.43, see page 271.

Question 5.59

5.59 How much less spread?

Refer to Example 5.24 in which we showed the sampling distributions of for and with in both cases.

  1. In terms of a multiple, how much larger is the standard deviation of the sampling distribution for versus when ?
  2. Show that the multiple found in part (a) does not depend on the value of .

5.59

(a) 5 times as large. (b)