Computing a Two-Independent Sample T Test Is Appropriate When

question 20

Multiple Choice

Computing a two-independent sample t test is appropriate when

• A)different participants are assigned to each group
• B)the population variance is unknown
• C)participants are observed one time
• D)all of the above

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Definitions:

Brightness And Contrast

Brightness and contrast refer to the adjustment of light intensity and the difference between the lightest and darkest parts of an image, respectively, to improve its visual appearance.

Numeric Increments

Refers to the process of increasing a numerical value in consistent steps.

Color Intensity

A measure of the brightness or saturation of a color; how vivid or rich the color appears.

Brightness And Contrast

Adjustments made to a digital image or display to alter exposure levels and the difference between light and dark elements.