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What is standard deviation used for?
Standard deviation is a measure of the spread of data.
What does the sample standard deviation best estimate?
The standard deviation of the population. the standard deviation of the population.
What is standard deviation of 155.45?
The standard deviation is 0.
Why use the T score?
T-score is used when you don't have the population standard deviation and must use the sample standard deviation as a substitute.
What is the standard deviation of a standard normal distribution?
The standard deviation in a standard normal distribution is 1.
What is standard deviation used for?
Standard deviation is a measure of the spread of data.
What is the statistic that is used to estimate a population standard deviation?
the sample standard deviation
Why is standard deviation better than variance?
Better for what? Standard deviation is used for some calculatoins, variance for others.
What are the assumptions of standard deviation?
The standard deviation is the standard deviation! Its calculation requires no assumption.
What does the sample standard deviation best estimate?
The standard deviation of the population. the standard deviation of the population.
What is standard deviation of 155.45?
The standard deviation is 0.
Why use the T score?
T-score is used when you don't have the population standard deviation and must use the sample standard deviation as a substitute.
If quartile deviation is 24. find mean deviation and standard deviation?
Information is not sufficient to find mean deviation and standard deviation.
How is standard deviation useful?
It's used in determining how far from the standard (average) a certain item or data point happen to be. (Ie, one standard deviation; two standard deviations, etc.)
What is the relationship between standard deviation and variance?
Standard deviation is the square root of the variance.
Why is the standard deviation used more frequently than the variance?
The standard deviation has the same measurement units as the variable and is, therefore, more easily comprehended.
What is the standard deviation of a standard normal distribution?
The standard deviation in a standard normal distribution is 1.
