With Reference to the Graph (Above)what Is the Selection Ratio

question 44

Multiple Choice

With reference to the graph (above) what is the selection ratio?

• A) 4/5 = 0.80
• B) 4/9 = 0.44
• C) 5/20 = 0.25
• D) 9/20 = 0.45

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Definitions:

Standard Deviation

A parameter reflecting the extent of diversity or spread in a group of numbers.

Normally Distributed

A type of distribution in which data points are symmetrically distributed around the mean, forming a bell-shaped curve.

Standard Deviation

A measure that quantifies the amount of variation or dispersion of a set of values from the mean.

Finite Population Correction Factor

A factor applied in sample size formulae to adjust for the effect of sampling without replacement from a finite population.