Histogram

Histograms

• Histograms show data in intervals or ranges.

• They are similar to bar graphs but the bars are NOT spaced apart.

• They are similar to dot plots because they represent the overall spread and shape of the data.

  Ex: decades, age ranges

Drag and Drop

Data from the National ACT Exam is shown in the histogram. List the number of scores for each range:

1-5: ​

Placeholder

6-10: ​

Placeholder

11-15: ​

Placeholder

16-20: ​

Placeholder

Drag these tiles and drop them in the correct blank above

1

17

34

24

35

0

Drag and Drop

Data from the National ACT Exam is shown in the histogram. List the number of scores for each range:

21-25: ​

Placeholder

26-30: ​ ​

Placeholder

31-35: ​

Placeholder

Drag these tiles and drop them in the correct blank above

3

30

15

4

28

16

Multiple Choice

Data from the National ACT Exam is shown in the histogram.

Which range of scores represents 17% of the data?

• 11-15

• 21-25

• 26-30

• 1-10

Multiple Choice

Data from the National ACT Exam is shown in the histogram.

What two ACT score ranges make up more than 60% of the sample?

• 16-20 and 21-25

• 16-20 and 31-35

• 21-26 and 26-30

• 11-15 and 21-25

Multiple Choice

Data from the National ACT Exam is shown in the histogram.

The histogram is symmetrical. What does this tell you about the median and the mean? In which interval would you predict the mean to be found?

• The median and mean will be close together and the mean will likely in the 16-20 range.

• The median and mean will be close together and the mean will likely in the 21-25 range.

• The median and mean will be significantly different with the mean will likely be in the 16-20 range.

• The median and mean will be significantly different with the mean will likely be in the 11-15 range.

Dropdown

Data from the National ACT Exam is shown in the histogram.



Label each of the statements below as true of false:

​ ​

Select answer

a. The number of scores between 1-5 and 26-30 is equal to the number of scores between 11-15.

​

Select answer

​ b. The number of scores between 16-20 is double that of 11-15.

​ ​

Select answer

c. There are an equal number of scores between 11-15 and 26-30.

Multiple Choice

The local library surveys its patrons based on their aga. Use the histogram to answer the question

Based on the information in the graph, which two age ranges are responsibe for exactly 40% of the patrons

• 10-19 and 60-69

• 20-29 and 40-49

• 50-59 and 60-69

• 10-19 and 20-29

Multiple Choice

The local library surveys its patrons based on their aga. Use the histogram to answer the question

Based on the information in the graph, 30% of the library patrons are in which age range?

• 20-29

• 60-69

• 10-19

• 50-59

Multiple Choice

A group of runners chart their distance total for the week. Use the histogram to answer the question.

Which of the following statements best represents the data?

• Twenty-five percent of runners surveyed run 4.0-4.9 miles each week.

• One-third of runners surveyed run 2.0-2.9 miles each week.

• One-fifth of runners run 3.0-3.9 miles each week.

• The number of runners surveyed who run less than 1.0 mile is equal to the number of runners surveyed who run 3.0-3.0 miles each week.