Module 7: Statistics

The MEAN is the

• average score.

• middle score

• the score that appears most

The MODE is the

• average score.

• middle score

• the score that appears most

The MEDIAN is the

• average score.

• middle score

• the score that appears most

HISTOGRAM looks very similar to a

• scatterplot

• bar graph

• pie chart

• line graph

A bell-shaped curve is also called __________________ (choose TWO answers)

• a normal distribution

• a normal curve

• a histogram

• a waffle

________________________ refers to how much the scores vary from the mean.

• Standard deviation

• Mode

• Range

• Median

Which percentage of scores fall within ONE standard deviation of the mean?

• 68%

• 95%

• 99%

• 100%

Which percentage of scores fall within TWO standard deviations of the mean?

• 68%

• 95%

• 99%

• 100%

_________ refers to difference between the HIGHEST and LOWEST scores.

• Range

• Mean

• Mode

• Standard deviation

What is the MEAN for the following scores?

1, 2, 2, 2, 3

• 2

• 10

• 2.5

• 5