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Paraphin [41]
3 years ago
9

BRAINLIEST + POINTS ! Can someone help/explain to me why I got this wrong and solve it!

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Standard deviation is the square root of the variance.

To  find the variance from the standard deviation, raise it to the 2nd power:

Standard deviation = 4

Variance = 4^2 = 4x4 = 16.

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There are 500 people in a survey to answer two yes-or-no questions, for the first question, 440 people has a "yes" answer, for t
ollegr [7]

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