MATHEMATICS Discuss

If the variance of 3 + x, 6, 4, x and 7 x is 4 and the mean is 5, find...

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Question 45
A

2

B

3

C

-2

D

3

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: A

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1 Comment(s)

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🙂 Agatha Emmanuel said on January 26, 2021 04:24pm
Is there a diff btw 2 ad 2 in d options above🙄
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🙂 QUIZZERWEB replied on March 10, 2021 06:03pm
Thanks for your contribution, the question has been updated
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