Review of Statistics

What is the relative frequency of people that purchased no food?

• 10%

• 60%

• 15%

• 30%

The table shows the different types of engineers and the subject they liked most.  What percentage of people surveyed were chemical engineers who preferred math?

• 16.5%

• 33.1%

• 17.6%

• 15.5%

How many people purchased no food and no drink?

• 60

• 10

• 20

• 200

A value much greater or much less than the others in a data set.

• Outlier

• Cluster

• Gap

• Frequency

Choose the statistical question:

• What time did you wake up this morning?

• What time do 12th graders wake up each morning during the school week?

A line on a scatter plot that helps show the correlation between data sets more clearly. (Mark all that apply.)

• Trend Line

• Line of Reflection

• Line of Best Fit

• Frequency

A comparison between two data sets when one set of data values increases while the other decreases.

• Negative Correlation

• Positive Correlation

• No Correlation

• Trend

Involves the comparison of two variables.

• Bivariate Data

• Outlier

• Cluster

• Frequency

What is the interquartile range?

• 4

• 6

• 2

• 8

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• Add the two numbers in the middle & then divide by two.

• They are both the median

• None of the above