Comparing Data on Graphs

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

• Histogram

• Dot Plot

• Line Graph

• Box Plot

A ________ is a type of graph that show the frequency distribution of data within equal intervals (thus, there are no spaces between the bars).

• Dot Plot

• Line Graph

• Histogram

• Box Plot

The _____ is a standardized way of displaying the distribution of data based on the minimum, first quartile, median, third quartile, and maximum of the data set.

• Dot Plot

• Histogram

• Box Plot

• Line Graph

• Five Number Summary

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

• Dot Plot

• Histogram

• Bar Graph

• Box Plot

Original data is not clearly shown in the _______; also, mean and mode cannot be identified.

• Dot Plot

• Histogram

• Line Graph

• Box Plot

Changing the scales in a graph can make the data look very different

• True

• False

When comparing two or more sets of data, the scales must be consistent.

• True

• False

Assuming the following plot records the grades my students made last semester, how many of my students made a "B" (80-89) in my course?

• 6

• 7

• 8

• 9

Which statement(s) are correct based on this graph? Select all that apply.

• The most common number of defects per hour is 3.

• The most common number of defects per hour is 16.

• Most of the time there are at least 3 defects per hour.

• When Henry works, there are 12 defects per hour.

The histogram shows the ages of people in a community chorus. How many people in the chorus are younger than 40 years old?

• 3

• 15

• 31

• 60