Which formula is used to calculate the standard deviation of sample data?

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-X

+ ... +

X

-X

n-

1

N

12-) +. + (Xwx)

X1X

+

X2-X

+ ... +

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-X

n-1

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What is the equation in math N+8=-10

The graph of F (x), shown below, has the same shape as the graph of G (x) = x^4, but it is shifted to the right 2 units. What is its equation?

The arithmetic mean of two numbers is 10.01. Find the numbers if one of them is 5.5 times less than the other.

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Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3.

Avarie is cutting a 12 foot long piece of wood into 1/4 - foot sections. How many sections will result

14/100 in simplest term