12:50 AM Mon 12 May
Q 22\%
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Chapter 132 (\%...
- Cerrelation and Simple Unear Regression
Linear relationship and the sample correlation coefficient
ALEKS - GRW
e same scale.) Each data set is made up of sample values drawn from a population.
\begin{tabular}{|c|c|}
\hline\( x \) & \( y \) \\
\hline 1.0 & 7.3 \\
\hline 2.0 & 8.7 \\
\hline 3.0 & 6.8 \\
\hline 4.0 & 5.7 \\
\hline 5.0 & 7.8 \\
\hline 6.0 & 5.2 \\
\hline 7.0 & 4.3 \\
\hline 8.0 & 7.5 \\
\hline 9.0 & 5.9 \\
\hline 10.0 & 3.5 \\
\hline
\end{tabular}
\begin{tabular}{|c|c|}
\hline\( \mu \) & \( w \) \\
\hline 1.0 & 7.0 \\
\hline 2.0 & 9.7 \\
\hline 3.0 & 3.8 \\
\hline 4.0 & 8.6 \\
\hline 5.0 & 4.8 \\
\hline 6.0 & 2.2 \\
\hline 7.0 & 6.2 \\
\hline 8.0 & 10.3 \\
\hline 9.0 & 5.5 \\
\hline 10.0 & 7.7 \\
\hline
\end{tabular}
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\begin{tabular}{|c|c|}
\hline\( w \) & \( t \) \\
\hline 1.0 & 3.3 \\
\hline 2.0 & 4.1 \\
\hline 3.0 & 3.5 \\
\hline 4.0 & 5.0 \\
\hline 5.0 & 4.5 \\
\hline 6.0 & 7.1 \\
\hline 7.0 & 5.6 \\
\hline 8.0 & 8.1 \\
\hline 9.0 & 7.0 \\
\hline 10.0 & 8.3 \\
\hline
\end{tabular}
\begin{tabular}{|c|c|}
\hline \multicolumn{2}{|c|}{\( m \)} \\
\hline 1.0 & 1.0 \\
\hline 2.0 & 2.0 \\
\hline 3.0 & 3.0 \\
\hline 4.0 & 4.0 \\
\hline 5.0 & 5.0 \\
\hline 6.0 & 6.0 \\
\hline 7.0 & 7.0 \\
\hline 8.0 & 8.0 \\
\hline 9.0 & 9.0 \\
\hline 10.0 & 10.0 \\
\hline
\end{tabular}
Answer the following questions. The same response may be the correct answer for more than one question.
(a) Which data set has an apparent positive, but not perfect, linear relationship between its two variables?
(Choose one)
(b) Which data set indicates a perfect negative linear relationship between its two variables?
\( \square \)
(Choose one)
(c) Which data set indicates the strongest positive linear relationship between its two variables?
(Choose one) \( \square \)
(d) In which data set is there evidence of a strong nonlinear relationship between the two variables?
\( \square \)
(Choose one)
Explanation
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