The t–Test formula involves calculating a t–score by:
a. Dividing the difference between two means by the standard deviation of the experimental group.
b. Dividing the difference between two means by the standard error of the difference between means.
c. Dividing the difference between two means by the standard deviation of the control group.
d. Dividing the difference between two standard deviations by the difference between two means.
B
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American colonists and Native Americans differed on all of the following cultural values except
(a) the belief in God; (b) ideas about property and land use; (c) ideas about gender roles; (d) the value of individualism.
SELECT ALL THAT APPLY. ______ and ______ influence the standard error of the mean.
A. Frequency B. Amount of dispersion in the data C. Number of cases in the sample D. Type of sample
The purpose of program evaluation is the generation of quality information for the improvement of:
a. Clients b. Staff c. Funding d. Services
For all normal curves, two standard deviations above the mean constitute roughly
________ of all cases. a. 47.5% b. 68% c. 95% d. 100%