Histograms

Presentation

•

Mathematics

•

10th Grade

•

Hard

James Gonzalez

FREE Resource

14 Slides • 10 Questions

Histograms

Learning Objectives

Read and interpret histogram with equal interval
Read and interpret histogram to find the frequency density of different classes

What is a histogram?

A specialized graph looks like a bar chart
Normally used to show a distribution of continuous or grouped data

Open Ended

Write examples for discrete and continuous data (3 each)!

Type response here

Example 1

Example 2

Answer

Example 3

Multiple Choice

How many trees are at least 15 feet tall?

12 trees

2 trees

9 trees

41 trees

Multiple Choice

21. How many students are represented by the histogram?

Cannot be determined

Multiple Choice

How many students are between 48 and 51 inches tall?

Multiple Choice

What is an interval?

A single number

A range of numbers

A percentage

A total amount

Multiple Choice

Which interval has 400 employees?

33-43

0-10

77-87

66-76

Multiple Choice

Which interval has 400 employees?

33-43

0-10

77-87

66-76

Histogram with unequal class interval

It looks as though there is more data in the 10 < t ⩽ 20 interval than in the 20 < t ⩽ 25 interval, but there were actually 20 values in both.

compare with:

Multiple Choice

What is the frequency density in the interval 20-25?

0.5

Multiple Choice

What is the frequency in the interval 20-25?

Multiple Choice

What is the frequency in the interval 40-60?

Histograms

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Histograms

Histograms

Learning Objectives

What is a histogram?

Example 1

​Example 2

Answer

Example 3

Histogram with unequal class interval

Histograms

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Example 2