In Bivariate Regression,if the F Value Is Significant (Say

question 32

Multiple Choice

In bivariate regression,if the F value is significant (say .05 or less) ,then:

• A)we accept the null hypothesis that a straight-line model fits our data.
• B)we reject the null hypothesis that a straight-line model does not fit our data.
• C)we abandon our efforts to analyze the two variables.
• D)we check for outliers.
• E)we rerun the regression.

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Definitions:

Mean Speed

The average velocity of an object over a defined period of time.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a low standard deviation means that the values tend to be close to the mean, while a high standard deviation means they are spread out over a wider range.

Normal Model

Also known as the normal distribution, a bell-shaped curve that represents the distribution of many types of data where most values cluster around a mean value.

85th Percentile

A value below which 85% of the data points in a dataset fall, used in statistical analysis to understand distribution.