This scale contains equal interval between number and has no absolute zero.

They indicate the average or midmost score between the extreme scores in a distribution.

It is the most frequently occurring score in a distribution of scores.

Find the mean

8, 9, 11, 7, 5

Which is an example of a normal curve?

This indicates how many standard deviation units the raw score is below or above the mean.

It is the difference between the highest and lowest score in a distribution.

Find the mode:

9, 9, 7, 12, 14, 9

Find the range:

18, 20, 3, 5