The Standard Error of the Difference Becomes Smaller as Sample

question 113

Multiple Choice

The standard error of the difference becomes smaller as sample sizes _____ and the variability of the populations_____.

• A)increase;increases
• B)increase;decreases
• C)decrease;decreases
• D)decrease;increases

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Definitions:

Addition Rule

A principle in probability that calculates the chance of any of two or more mutually exclusive events occurring.

Score

A numerical expression of a performance or achievement, often used in the context of exams, tests, or measures of ability.

Plane Crash

An event wherein an aircraft sustains such damage from an in-flight incident that it is unable to continue flight, often leading to injury or loss of life.

Coin Flips

A simple probabilistic experiment to demonstrate the concept of randomness and chance, often used to illustrate the principle of a 50/50 chance in binary outcomes.