Statistics

1
Statistics
Mathematics
2
Introduction

• Target audience are secondary one students.
  
• The slides are going to be used to teach students
  on the topic of statistics. It is for lecturing.
  They will be used with the project work of past
  S.1 students. The project will be showed to the
  students in order to arose their interest.
  

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Statistics
1. Collection of data. 2. Organization of
data. 3. Presentation of data. 4.
Interpretation of data.
4
Presentation of data
There are many ways to present statistical data.

• Pictogram

• Bar chart

• Pie chart

• Broken-line graph

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Pictogram
Favorite subjects of S.1 students
Math Music P.E. Science
represents 10 students
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Bar chart
Favorite subjects of S.1 students
No of students
Subjects
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Pie chart
Favorite subjects of S.1 students
8
Broken-line graph
Favorite subjects of S.1 students
No of students
Subjects
9
Exercises
1. The following bar chart shows Leons
examination result in 3 main subjects.
Marks
Chinese
A. In which subject did he get the highest
mark? B. In which subject did he get the lowest
mark? C. How many subject(s) was/were above 70?
English
One
10
2. The average temperature of Jan to Jun in a
certain year in a city is shown in the
following table
Draw a broken-line graph.
Temperature
Month