Histograms and Data Distribution

A _______ shows the number of values within an interval and not the actual values.

• Dot Plot

• Histogram

• Bar Graph

• Box Plot

Histograms are a special type of

• Box Plot

• Line Graph

• Bar Graph

You could change the intervals of the _____ to see which gives a better description of the data.

• Histogram

• Dot Plot

• Line Graph

• Box Plot

What is misleading about this data?

• The y-axis is labeled incorrectly.

• The age ranges are different.

• The title is incorrect

What data display is the best to show the population of the United States divided into age groups?

• Histogram

• Dot Plot

• Scatter Plot

• Box Whisker Plot

The type of summary graph displayed is called

• bar graph or column graph

• histogram

• scatter plot

• line graph

The distribution of the data shown is symmetrical because

• the shape looks even on both sides

• you can see a pattern where most of the data is in the middle

• the distribution forms a nice bell curve

• all responses correct

How do you find the mode?

• order least to greatest, then slash from each side until you reach the middle

• add the numbers in your data set, then divide by the amount you added

• look for the number that repeats the most

• highest number minus the lowest number

The mode in the data displayed is

• 20

• 40

• 20 and 40

• 30

What type of statistical distribution is represented?

• normal

• not normal