Which of the Following Statements Is True About Stratified Random

question 4

Multiple Choice

Which of the following statements is true about stratified random sampling?

• A) Allows the researcher to use a smaller sample size
• B) Ensures obtaining a larger sample at lower cost
• C) Internal validity is strengthened with this type of sampling
• D) Involves the selection of certain subjects from a convenience sample

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Definitions:

Lost Sales

Sales that were not made due to product unavailability or service limitations.

Order Policy

Guidelines or rules defining how and when orders should be placed to replenish stocks and manage inventory levels.

Cumulative Probability Distribution

A function that gives the probability that a random variable is less than or equal to a certain value, often used in statistics to summarize data.

Random Number Intervals

A sequence of intervals generated by a random process, often used in simulations and statistical sampling.