Author Question: The minimum number of variables represented in a bar chart is _____. a. 1 b. 2 c. 3 d. ... (Read 98 times)

soccerdreamer_17 · **on:** Jun 24, 2018

The minimum number of variables represented in a bar chart is _____.
a. 1
b. 2
c. 3
d. 4

Question 2

Doubling the size of the sample will
a. reduce the standard error of the mean to one-half its current value.
b. reduce the standard error of the mean to approximately 70 of its current value.
c. have no effect on the standard error of the mean.
d. double the standard error of the mean.