A Researcher Only Has Access to the Sample Results When

question 4

Multiple Choice

A researcher only has access to the sample results when trying to determine whether or not there is a statistically significant difference between two groups. Therefore, the researcher:

• A) needs sample sizes of over 1000 to make the results meaningful.
• B) should remove any surveys from the data where there are any item omissions.
• C) must always ask a respondent to indicate their gender on a survey.
• D) should have some hypotheses ready to test.
• E) must fall back on statistical generalization concepts.

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Definitions:

Midpoint Formula

A method used in geometry to find the midpoint or the center point between two points on a line segment.

Absolute Value

The non-negative value of a number regardless of its sign.

Elasticity

a measure of how much the quantity demanded or supplied of a good responds to a change in one of its determinants, such as price.

Quantity Effect

The change in quantity demanded or supplied as a result of changes in price.