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- GCE O-Level A Maths
- Data and Graphs

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Get Started Now- Intro Lesson: a4:25
- Intro Lesson: b10:55
- Lesson: 1a2:42
- Lesson: 1b3:56
- Lesson: 1c4:55
- Lesson: 2a6:13
- Lesson: 2b4:03
- Lesson: 3a9:01
- Lesson: 3b6:15
- Lesson: 3c1:20
- Lesson: 3d5:22
- Lesson: 3e7:15

- 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, 1a)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?