The minimum number of variables represented in a bar chart is ...

[soccerdreamer_17]

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.

[beccamahon]

Answer to Question 1

a

Answer to Question 2

b

[soccerdreamer_17]

Wow, this really help

[shailee]

Thanks for the timely response, appreciate it