Which of the Following Is Not a Source of Caution

question 392

Multiple Choice

Which of the following is not a source of caution in regression between two variables?

• A) an outlier
• B) All of these are potential problems.
• C) extrapolation
• D) a lurking variable
• E) subgroups with differences

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Definitions:

Critical Value

A threshold in a statistical test that defines the boundary for deciding whether a test statistic leads to the rejection of the null hypothesis.

Sample Mean

The average of all the data points in a sample, used as an estimate of the population mean.

Sample Standard Deviation

A measure of the dispersion or variability of data points in a sample from the sample mean.

Significance Level

A threshold set by researchers before conducting an experiment to determine at what probability level results will be considered statistically significant, commonly set at 0.05 or 5%.