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Basic statistics

6 Class 9 Mathematics questions with answers and explanations.

Printable worksheet with answer key

All questions with answers

  1. What is the mean of 4, 6, 8, 10, 12?

    • 1 7
    • 2 40
    • 3 9
    • 4 8
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    Correct answer: 8

    Sum = 40, divided by 5 gives 8.

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  2. What is the median of 3, 7, 5, 9, 1?

    • 1 7
    • 2 3
    • 3 5
    • 4 9
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    Correct answer: 5

    In order: 1, 3, 5, 7, 9. The middle value is 5.

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  3. What is the mode of 2, 3, 3, 4, 5, 3, 6?

    • 1 2
    • 2 4
    • 3 5
    • 4 3
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    Correct answer: 3

    3 appears most often.

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  4. The range of the data 5, 12, 8, 20, 3 is:

    • 1 15
    • 2 3
    • 3 20
    • 4 17
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    Correct answer: 17

    Range = largest minus smallest = 20 - 3 = 17.

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  5. A pie chart shows data as:

    • 1 Dots
    • 2 Sectors of a circle
    • 3 Bars
    • 4 Lines
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    Correct answer: Sectors of a circle

    A pie chart divides a circle into sectors proportional to the data.

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  6. The mean of 5 numbers is 12. What is their sum?

    • 1 60
    • 2 7
    • 3 2.4
    • 4 17
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    Correct answer: 60

    Sum = mean x number of values = 12 x 5 = 60.

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More Mathematics topics
Matrices and determinants
Real and complex numbers
Logarithms
Algebraic expressions and formulas
Factorization
Algebraic manipulation
Linear equations and inequalities
Linear graphs and their applications