The standard error of the mean can be defined as the standard ...

[bb]

The standard error of the mean can be defined as the standard deviation divided by the _____.
 
  a. square root of the variance c. square root of n - 1
  b. square root of n d. none of these

Question 2

This measure of variability is shown as a vertical line atop the bars on a bar graph.
 
  a. variance c. standard error of the mean
  b. standard deviation d. all of these

[Edwyer]

Answer to Question 1

B
The standard error of the mean can be calculated by dividing the standard deviation by the square root of n.

Answer to Question 2

C
The standard error of the mean is often seen on bar graphs in this manner.

[bb]

Excellent

[softEldritch]

Gracias!