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12.1 Data Collection, Organisation and Representation Process,

and Interpretation of Data Representation

How do you generate statistical questions and LEARNING
collect relevant data? STANDARDS
Generate statistical
To collect relevant data, we must generate statistical questions. questions and collect
What is a statistical question? relevant data.

A statistical question is a question that can be answered
by collecting data and there will be variability or diversity in Information about the
the data related to the question. For example, height of students and
their favourite food are
obtained through
Statistical question Reason
data collection.
“How tall are the There is variability in the height of the
students in Class 1 students from that class, for example,
Amanah?” 150 cm, 156 cm, 164 cm and so on.
“What is the There is variability in the types of food
favourite food of chosen by the students from that class,
the students in for example, nasi lemak, fried noodles,
Class 1 Amanah?” laksa and so on.

Is each of the following questions a statistical question?
Explain. Generate statistical
• “How tall is Rosmee?” questions and collect
• “Do the students in Class 1 Amanah like nasi lemak more data for each of the
than fried noodles?” following in your class.
• Favourite sports of
After generating the statistical questions, the next step is the students
to determine the method of data collection. Data can be • Modes of transport of
collected by various methods. students to school

DATA COLLECTION METHOD

Interview Survey Observation Experiment

Survey
CHAPTER
12 1. What is your favourite
TV programme?
Dramas
Sports
Cartoons
Documentaries
Others
For example, to find For example, to find For example, to count For example, to record
out how the students out the favourite how many cars pass the temperature of hot
travel to school. television programmes through the junction water as it cools down
of the students. every hour. every five minutes.

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Chapter 12

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