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Question Practice

In the data set {10, 20, 30, 30, 40}, if a new number 50 is added, which statement is true about the mean?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 8
Mathematics
Ganita Prakash Part II
Tales by Dots and Lines
Question Bank

In the data set {10, 20, 30, 3...

Single Answer MCQ
Q-00133878

In the data set {10, 20, 30, 30, 40}, if a new number 50 is added, which statement is true about the mean?

1

It remains 30

2

It increases slightly

3

It decreases significantly

4

It becomes 40

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Keep Practising

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Q1.

What is the mean of the numbers 4, 8, and 12?

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Q2.

Which of the following represents a characteristic of the mean?

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Q3.

If the mean of the data set {5, 10, 15, 20} is 12.5, which statement is true?

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Q4.

What happens to the mean if a new number much larger than the current mean is added?

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