Frequencies Distributions, Histograms, Frequency Polygons

How many cities have temperatures between 70 degrees and 99 degrees?

• 44

• 34

• 26

• 62

How many students have more than 1,000 songs on their MP3 player?

• 5

• 16

• 10

• 4

Which interval shows the greatest number of pets?

• 15-19

• 0-4

• 5-9

• 10-14

Is a histogram the same as a bar graph?

• Yes, because they both use intervals.

• No, because a histogram displays numerical data while a bar graph displays categorical data.

• Yes, because they both use bars to display data.

• No, because a histogram displays categorical data while a bar graph displays numerical data.

Mr. Semo is making a histogram to show the scores on the last science test. He first lists the scores in a stem-and-leaf plot. How many units tall should the bar be for the interval 70-79?

• 2

• 5

• 9

• 11

Which kind of graph is this?

• bar graph

• histogram

• ogive

• cumulative histogram

In a data display, this is a break, space, or opening between values where no value occurs.

• gap

• hole

• symmetric

• peak

An indication of a data display that shows where the data is at its highest point.

• peak

• gap

• hole

• cluster

How many students had more than 6 candy bars?

• 5

• 3

• 2

• 1

How many students spent over 40 minutes but under 60 minutes studying?

• 22

• 30

• 8

• 5