The Following Is a Frequency Distribution of Grades of a Sample

question 55

Short Answer

The following is a frequency distribution of grades of a sample of statistics examinations. Compute the following measures:
a.The mean
b.The variance
c.The standard deviation
d.The coefficient of variation

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Definitions:

Intrinsic Motivation

The drive to engage in activities for their own sake, deriving pleasure and satisfaction from the activity itself, rather than for some external reward.

Extrinsic Motivation

Performing an activity because of something that results from it.

Modest

Refers to behavior, manner, or appearance intended to avoid impropriety or indecency.

Describing Himself

The act of an individual articulately conveying aspects of their own character, personality, or abilities.