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Lerok [7]
3 years ago
11

4+3 +3 + 10 + 5 = 25 What is the average value?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Answer:

There is 5 numbers (not including the sum/25)

The average is add up all the numbers and divide by amount of numbers

25/5=5

The average value is 5

Step-by-step explanation:

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if, H0: p is not 48%  vs H1: p1 = 48%

 

 

standard deviation is:

σ = sqrt[ P * ( 1 - P ) / n ] = sqrt[ .48*.49/900 ] = .01666333+ z -score is (p-P)/σ

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 ICONCLUSION:

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"if the standard deviation of a group of 20 scores is 15, what is the variance?"
DerKrebs [107]

We have been given that the standard deviation of a group of 20 scores is 15 and we are asked to find variance.

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Therefore, our variance is 225.


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