# Reading and drawing histograms

### Reading and drawing histograms

#### Lessons

• Introduction
Introduction to Histograms
a)
How to read a histogram?

b)
How to make a histogram?

• 1.
The histogram shows the volume of fluid George drank each day.

a)
For how many days did George drink 2.0-2.9 cups of water?

b)
Are there more days that George drank 4.0-4.9 cups or days that George drank 6.0 to 6.9 cups?

c)
What is the shape of distribution?

• 2.
The frequency table below shows the amount of time spent outdoors each day on average for students in a kindergarten class.
 Minutes spent outdoor Number of days 1-9 4 10-19 5 20-29 3 30-39 2 40-49 1 50-59 2
a)
Draw a histogram for the data above.

b)
How many days did the class spend outdoors for at least 10 minutes but less than 40 minutes?

• 3.
A survey was done to look at the number of clothing items people purchased in the last 3 years. Below is the data collected:
9, 4, 18, 3, 8, 1, 0, 5, 16, 10, 7, 8, 2, 12, 7, 11, 3, 5, 4, 13, 20, 6, 13, 1
a)
Use intervals, 0-2, 3-5, 6-8, 9-11, and so on to make a frequency table.

b)
Use the data to complete the histogram.

c)
What range of purchased clothing items was the most common?

d)
What percentage of individuals bought 9 items or more?

e)
What is the shape of distribution?