term1 Definition1term2 Definition2term3 Definition3
Please sign in to your Google account to access your documents:
Standard Deviation (S or small sigma)
A measure of the dispersion of a set of data from its mean. The more spread apart the data,the higher the deviation. Standard deviation is calculated as the square root of variance.
Mean
Average - the sum of all the data points divided by the number of data points.
Null hypothesis
Is a statement that a researcher wants to reject because it proposes that there will be no change in behavior,no difference between the groups being measured. A negative twist on a research hypothesis.
Need help typing ? See our FAQ (opens in new window)
Please sign in to create this set. We'll bring you back here when you are done.
Discard Changes Sign in
Please sign in to add to folders.
Sign in
Don't have an account? Sign Up »
You have created 2 folders. Please upgrade to Cram Premium to create hundreds of folders!