If a standard deviation for a set of scores is9.0, then the variance for those scores is ____

Author Question: If a standard deviation for a set of scores is9.0, then the variance for those scores is _____ . ... (Read 23 times)

luvbio

Hero Member
Posts: 623

on: Jun 20, 2018

If a standard deviation for a set of scores is9.0, then the variance for those scores is _____ .

a. 81.0
b. 18.0
c. 9.0
d. 3.0

Question 2

The height of a vertical bar is used to represent the frequency of occurrence of scores in a _____.

a. simple frequency distribution
b. stem-and-leaf plot
c. histogram
d. frequency polygon

bitingbit

Sr. Member
Posts: 323

Reply #1 on: Jun 20, 2018

Answer to Question 1

A

Answer to Question 2

C

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