When Returning an Array Reference, Square Brackets Are Included with the Return

question 46

True/False

When returning an array reference, square brackets are included with the return type in the method header.

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Definitions:

Population Variance

A measure of the spread or distribution of a set of data values within an entire population.

Confidence Interval

A selection of values, extracted from sample analyses, believed to encompass the value of an unseen population parameter.

Sample Variance

The measure of dispersion within a sample data set, representing the average of the squared differences from the sample mean.

Chi-squared Distributed

A distribution used in hypothesis testing that is derived from the sum of squared deviations between observed and expected frequencies.