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Standard deviation = square root of variance.

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Q: How do you convert variance of 10.8 square inches into standard deviation?
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What does it mean when the standard deviation is 1?

A standard deviation is a statistical measure of the variation there in a population or group. A standard deviation of 1 means that 68% of the members of the population are withing plus or minus the value of the standard deviation from the average. For example: assume the average height of men is 5 feet 9 inches, and the standard deviation is three inches. Then 68% of all men are between 5' 6" and 6' which is 5'9" plus or minus 3 inches. [Note: this is only to illustrate and is not intended to be a real/correct statistic of men's heights.]

If average height for women is normally distributed with a mean of 65 inches and a standard deviation of 2.5 inches then approximately 95 percent of all women should be between what and what inches?

A normal distribution with a mean of 65 and a standard deviation of 2.5 would have 95% of the population being between 60 and 70, i.e. +/- two standard deviations.

The mean is 163.4 cm and the standard deviation is 6.7 cm. Using 1 inch 2.54 cm convert each number to inches.?

Mean = 163.4/2.54 = 64.33 inches approx, and sd = 6.7/2.54 = 2.64 inches, approx.

Assuming that the heights of college women are normally distributed with mean 65 inches and standard deviation 2.5 inches what percentage of women are between 62.5 inches and 67.5 inches?


Are normally distributed with a mean of 68 inches and a standard deviation of 2 inches What is the probability that the height of a randomly selected female college basketball player is more than 66?

84% To solve this problem, you must first realize that 66 inches is one standard deviation below the mean. The empirical rule states that 34% will be between the mean and 1 standard deviation below the mean. We are looking for the prob. of the height being greater than 66 inches, which is then 50% (for the entire right side of the distribution) + 34%

The heights of Russian men are normally distributed with a mean of 66.8 inches and a standard deviation of 2.6 inches. What percentage of Russian men are over 72 inches tall?


The annual precipitation for one city is normally distributed with mean of 38.9 inches and a standard deviation of 3.3 inches Find the 20th percentile?

45.665 inches Type your answer here... what is the answer??

In American standard how big is 4mx10m?

no idea am asking you to convert into inches

How do you convert 7.5mm to inches?

You would use Metric to Standard conversion.

With a standard deviation of 0.01 inches and a mean of 0.55 inches what percentage of will be greater than 0.57?

Prob(X > 0.57) = Prob(Z > 2) = 0.02275 = 2.275%

Can you Convert SCFM to inches of water?

Standard cubic feet per minute in regards to water can be converted to inches. What you will do is first calculate the cubic feet. Next, convert the cubic feet into cubic inches by using the standard measurement of 1 cubic foot being 1,728 cubic inches.

Convert 4mm metric to usa standard?

There is no such thing as a USA standard. 4mm is the same length as 0.16 inches, approximately.