Science Quiz / HCHS Probability/Statistics Terms

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Can you name the HCHS Probability and Statistics Terms?

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DefinitionTermEquation
When data is not symmetric about the mean.
This property of a test gives the probability against committing a Type II Error.1-β
Indicates the proportion of the variance of one variable that is predictable from the other variable.
Gives a measure of how closely correlated the two variables are.
Fails to reject the null hypothesis when it is actually false. This is a false negative.
This given outcome translates form the experimental normal curve to the normal curve with a mean of zero and stand deviation of one. z = (x-μ)/σ
Means you have two different criteria to meet, but one of them is already given.
DefinitionTermEquation
How close your samples are to each other.
Number of ways to choose r objects from a group of n. Order does not make a difference.(n!)/r!(n-r)!
Number of arrangements of r objects from a group of n that are possible. Order makes a difference.(n!)/(n-r)!
Gives the measure of the center of the distribution of a variable. In most cases it is figured as a weighted average,E(Y) = ∑yP(y)
Regardless of how your data is distributed, if you take the mean of several samples and plot them, the resulting curve will be approximately normal.
Rejects the null hypothesis when it is actually true. This is a false positive.

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