Class 10 · Mathematics · Mathematics

13. Statistics

Try question 1

The class mark of the class 10–20 is

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Answer and explanation

Answer: B. 15

Class mark = (10 + 20)/2 = 15.

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Try question 2

Which measure of central tendency is found from the class with the highest frequency?

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Answer and explanation

Answer: C. Mode

The modal class is the class with the highest frequency.

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Try question 3

The median of 2, 5, 7, 9, 11 is

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Answer and explanation

Answer: B. 7

The data is in order and the middle (3rd) value is 7.

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