Which Is True of the Data Whose Distribution Is Shown

question 722

Multiple Choice

Which is true of the data whose distribution is shown?
I. The distribution is skewed to the right.
II. The mean is probably smaller than the median.
III. We should summarize with median and IQR.

• A) I, II, and III
• B) I and II
• C) II and III
• D) I only
• E) II only

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Definitions:

Trichromatic Theory

A theory of color vision that states the human eye has three types of receptors with differing sensitivities to light wavelengths, corresponding to red, green, and blue colors.

Three Types Of Cones

Photoreceptor cells in the retina of the eye that are responsible for color vision; typically sensitive to red, green, or blue light.

Frequency Of Impulses

Refers to the rate at which nerve or action potentials are generated and transmitted across neurons.

Trichromatic Theory

A theory of color vision that proposes that the eye has three types of receptors with differing sensitivities to different light wavelengths.