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nataly862011 [7]
2 years ago
15

How do I find the standard deviation?

Mathematics
1 answer:
brilliants [131]2 years ago
6 0

Answer:

Step-by-step explanation:

Work out the Mean,

Then for every number, subtract the Mean and square the result.

Then work out the mean of those squared differences

and then take the square root of that.

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What is the algebraic expression for the word phrase “the quotient of 18 and 9 less than a”?
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7 0
3 years ago
Beverley has quarters and dimes in her pocket. She has 21 coins with a total value of $3.00. How many of each type of coin does
kondaur [170]

Answer:

Step-by-step explanation:

If all 21 coins were dimes, she'd have $2.10. But she has 90 more cents than that. Now for each coin that's a quarter, not a dime, she has 15 cents more. 90/15= 6. So there are 6 quarters, and 21-6 = 15 dimes.

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2 years ago
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3 years ago
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deff fn [24]

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6 0
2 years ago
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