Author Question: In a survey of 472 personnel directors, 63 thought that they would be hiring new personnel over the ... (Read 134 times)

crobinson2013 · **on:** Jun 24, 2018

In a survey of 472 personnel directors, 63 thought that they would be hiring new personnel over the next three months.

Which of the following represents a 98 confidence interval for the proportion of all personnel directors planning to hire personnel over the next three months?A) 0.63 0.057
B) 0.63 0.047
C) 0.63 0.042
D) 0.63 0.052

Question 2

The stem-and-leaf display for summarizing numerical data is a combination of a graphic technique and a sorting technique.

Indicate whether the statement is true or false