Stratified Random Sampling Is a Method of Selecting a Sample

question 40

Multiple Choice

Stratified random sampling is a method of selecting a sample in which

• A) the sample is first divided into strata, and then random samples are taken from each stratum.
• B) various strata are selected from the sample.
• C) the population is first divided into strata, and then random samples are drawn from each stratum.
• D) the population is first divided into various stratums and then random samples are drawn from each strata.

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Definitions:

Different Numbers

Quantities that are not the same or identical, emphasizing distinct values or entities in a set or sequence.

"Average" Growth Rate

A metric that quantifies the rate of expansion or contraction in a variable's value over a specified period, typically expressed as a percentage.

Positively Skewed

Describes a distribution of data where the tail on the right side of the frequency distribution is longer than the left side, indicating that most values are clustered around the left.

Median

A statistical measure representing the middle value in a sorted, listed version of a set of numbers, effectively splitting the data set into two halves.