Deck 11: The Mean: An Average

Question 1

Compute the mean from the following set of scores.

A) 33
B) 5.5
C) 55
D) 4.5

Answer 1

B

Question 2

What is the sum of deviations in the above data?

A) 0
B) 33
C) 5.5
D) -.5

Answer 2

A

Question 3

Which of the following is NOT true about the mean?

A) Mean is the most frequently used average
B) It is the sum of the scores divided by the number of scores
C) Mean is the balance point in a distribution of scores
D) Mean measures the deviations of each score
E) It is the point around which all the deviations sum to zero

Answer 3

D

Question 4

To how many decimal places are the means reported in journals?

A) One decimal place
B) Two decimal places
C) Three decimal places
D) Four decimal places

Question 5

The mean is almost always inappropriate for describing the average of a highly skewed distribution. __________

Question 6

The mean is appropriate for use with any scales of measurements. _________

Question 7

The mean is pulled in the direction of extreme scores. _________