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How do you calculate the parameter to a 99.9 confidence interval using mean and standard deviation?

Did you mean, "How do you calculate the 99.9 % confidence interval to a parameter using the mean and the standard deviation?" ? The parameter is the population mean μ. Let xbar and s denote the sample mean and the sample standard deviation. The formula for a 99.9% confidence limit for μ is xbar - 3.08 s / √n and xbar + 3.08 s / √n where xbar is the sample mean, n the sample size and s the sample standard deviation. 3.08 comes from a Normal probability table.


What is the formula to convert normal distribution to the standard normal distribution?

If a variable X, is distributed Normally with mean m and standard deviation s thenZ = (X - m)/s has a standard normal distribution.


What is the T-Test formula?

t= absolute value of ( sample 1 - sample two) THEN DIVIDED by the (standard error of sample one - standard error of sample 2) standard error = the standard deviation divided by (square root of the pop. sample number) You have to work in steps to get all info 1. mean ( REPRESENTED BY 'Xbar') 2. sum of squares ('SS') 3. Sample variance ('s^2') 4. standard deviation ('s') 5. standard error ('s subscript x') 6. pooled measure ('s^2p') 7. Standard error between means (s subscript mean one-mean two) 8. t test In other word finding the mean and having ht esample info leads you to each formula with the end formular being the t-test have fun, its easy but dumb


What is the Z score equation?

Given a random variable X with mean M and standard deviation S, Z = (X - M)/S


What is the difference bitween normal distrubution and standard normal distribution?

A normal distribution is defined by two parameters: the mean, m, and the variance s2, (or standard deviation, s).The standard normal distribution is the special case of the normal distribution in which m = 0 and s = 1.

Related questions

What does s-hat mean in statistics?

It is the estimate for s, the sample standard deviation.


What does scoop a girl mean?

To put your hand in a cup formation, and proceed to the breasts start under the nipple area and go up at a moderate speed.


What does S and P mean on Wall Street?

Standard and Poors.


How many newtons can lift 50 kilograms?

The force needed to lift a 50 kg mass would be approximately 490 newtons in a standard Earth's gravity of 9.81 m/s^2.


Why do tortieses lift there head up and down?

because their neck vertebrae are s shaped.


What doe S R mean on the side of tires?

standard radial


What does s class mean on Gran Turismo 5?

Standard class.


How do you calculate the parameter to a 99.9 confidence interval using mean and standard deviation?

Did you mean, "How do you calculate the 99.9 % confidence interval to a parameter using the mean and the standard deviation?" ? The parameter is the population mean μ. Let xbar and s denote the sample mean and the sample standard deviation. The formula for a 99.9% confidence limit for μ is xbar - 3.08 s / √n and xbar + 3.08 s / √n where xbar is the sample mean, n the sample size and s the sample standard deviation. 3.08 comes from a Normal probability table.


What is the formula to convert normal distribution to the standard normal distribution?

If a variable X, is distributed Normally with mean m and standard deviation s thenZ = (X - m)/s has a standard normal distribution.


How do you calculate standard normal variate?

You use the z-transformation.For any variable X, with mean m and standard error s,Z = (X - m)/s is distributed as N(0, 1).You use the z-transformation.For any variable X, with mean m and standard error s,Z = (X - m)/s is distributed as N(0, 1).You use the z-transformation.For any variable X, with mean m and standard error s,Z = (X - m)/s is distributed as N(0, 1).You use the z-transformation.For any variable X, with mean m and standard error s,Z = (X - m)/s is distributed as N(0, 1).


What does 88 K on a S P mean?

"Eighty-eight Keys on a Standard Piano".


What does the legal term s-o-c mean?

Standard Occupational Classification System.