A Type I Error Occurs When Researchers Conclude an Effect

question 49

Multiple Choice

A type I error occurs when researchers conclude an effect ______ when it ______.

• A) exists; does
• B) does not exist; does not
• C) exists; does not
• D) does not exist; does

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is believed, with a certain level of confidence, to contain the population parameter of interest.

Credit Sales

Sales made by a business for which payment will be made at a later date, as opposed to immediate cash sales.

Confidence Interval

A confidence interval is a range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter.

Standard Deviation

A statistical measure of the dispersion or spread of data points in a data set, indicating how much the individual data points differ from the mean.