Consider an Infinite Population with a Mean of 160 and a Standard

question 37

Multiple Choice

Consider an infinite population with a mean of 160 and a standard deviation of 25.A random sample of size 64 is taken from this population.The standard deviation of the sample mean equals:

• A)25
• B)25/64
• C)25/√64
• D)None of these choices.

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Definitions:

Variance

A measure of the dispersion of a set of values, calculated as the average of the squared differences from the mean.

Standard Deviation

Standard deviation is a statistical measure of the dispersion or variability of a set of data points around their mean, indicating how spread out the data points are.

Mean

A measure of central tendency that is calculated by dividing the summation of all values in a data set by the number of values.

Laws Of Variance

Principles that describe how variance behaves in different statistical distributions and under various transformations.