Summarising Data (Grade 10 NSC Matric Mathematical Literacy): Quizzes

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Summarising Data
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What are the two main types of measures used to summarise data?

Central tendency & spread

Calculate the mean of: 5,8,3,9,55, 8, 3, 9, 5

66

What is another name for the mean?

Average

Find the median of: 3,7,2,9,53, 7, 2, 9, 5

55

Find the median of: 4,8,3,64, 8, 3, 6

55

What must you do before finding the median?

Arrange data in ascending order

Find the mode of: 6,3,6,8,3,6,96, 3, 6, 8, 3, 6, 9

66

Calculate the range of: 12,5,9,15,712, 5, 9, 15, 7

1010

What does a small range indicate about data?

Data values are close together

Which measure of central tendency requires no calculation?

Mode

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Developing Questions and Collecting Data

Classifying and Organising Data

Summarising Data

Representing and Analysing Data

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Summarising Data

Representing and Analysing Data

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Summarising Data

Representing and Analysing Data

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Developing Questions and Collecting Data

Classifying and Organising Data

Summarising Data

Representing and Analysing Data

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