Which of the Following Is True of a Nonrepresentative Sample

question 56

Multiple Choice

Which of the following is true of a nonrepresentative sample in a research claim?

• A)You should automatically disregard the claim.
• B)You should automatically accept the claim.
• C)You should ask whether it is relevant to what the researchers are measuring.
• D)You should ask whether more participants are necessary.

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Definitions:

SSE

The sum of squared errors, which measures the total deviation of observed values from their mean in statistical models.

Confidence Interval

The interval estimate of the mean value of y for a given value of x.

Linear Regression Model

A statistical technique that models and examines the linear relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Interval Estimate

An estimate of a population parameter that provides an interval believed to contain the value of the parameter. For the interval estimates in this chapter, it has the form: point estimate ± margin of error.