Use the Regression Equation to Predict the Value of Y

question 110

Multiple Choice

Use the regression equation to predict the value of y for x = -2.8. Assume that the variables x and y have a significant correlation. $$\begin{array} { l | c | c | c | c | c | c | c | c | c | c | } \mathrm { x } & - 5 & - 3 & 4 & 1 & - 1 & - 2 & 0 & 2 & 3 & - 4 \\\hline \mathrm { y } & - 10 & - 8 & 9 & 1 & - 2 & - 6 & - 1 & 3 & 6 & - 8\end{array}$$

• A)-6.424
• B)-5.320
• C)3.643
• D)0.551

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Definitions:

F-ratio

A statistic used in ANOVA tests to compare the variability between group means to the variability within groups.

Participants

Individuals who take part in a study or experiment, providing data for analysis.

Groups

Collections of subjects, items, or categories that are studied in research or statistical analyses.

One-way ANOVA

A statistical test used to determine if there are statistically significant differences between the means of three or more independent groups based on one variable.