Whenever a sample is selected and measured, one must assume that the sample mean
a. will probably differ from the population mean
b. will probably be identical with the population mean
c. will over-estimate the population mean
d. will under-estimate the population mean
a
Psychology
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The endocrine system is a collection of
a. glands. b. neurons. c. ventricles. d. brain structures.
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Thomas Young was essentially correct when he hypothesized that the eye contains
__________ types of color receptors that respond to __________. a. three; red, green, and blue b. three; black, white, and gray c. six; the spectral colors d. two; red/green and yellow/blue e. three; red, yellow, and blue
Psychology