When Determining the Sample Size, If the Value Found Is

question 101

Multiple Choice

When determining the sample size, if the value found is not an integer initially, you should ________ choose the next highest integer value.

• A) always
• B) sometimes
• C) never

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Definitions:

Dependent Variable

In an experiment, the dependent variable is the variable that is being tested and measured, and is 'dependent' on the independent variable.

Residual

The difference between the observed value and the estimated value of the quantity of interest.

Correlation Coefficient

Quantitative assessment designed to determine the magnitude and directionality of a linear association between two variables.

Regression Analysis

A statistical method for estimating the relationships among variables, particularly the relationship between a dependent variable and one or more independent variables.