You are given the following pairs of scores on X (Pretest score) and Y (Posttest score).
a. Find the linear regression model for predicting Y from X.
$\begin{array}{cc}
\hline X& Y \
\hline 65 & 74 \
82 & 87 \
70 & 82 \
46 & 53 \
55 & 69 \
75 & 81 \
\hline
\end{array}$
b. Use the prediction model obtained to predict the value of Y for a new person who scored 80 on the pretest.

Question

You are given the following pairs of scores on X (Pretest score) and Y (Posttest score).
a. Find the linear regression model for predicting Y from X.
 $\begin{array}{cc}
\hline X& Y \
\hline 65 & 74 \
82 & 87 \
70 & 82 \
46 & 53 \
55 & 69 \
75 & 81 \
\hline
\end{array}$ 
b. Use the prediction model obtained to predict the value of Y for a new person who scored 80 on the pretest.

Quizplus · Accepted Answer

The Answer of You are given the following pairs of scores on X (Pretest score) and Y (Posttest score).
a. Find the linear regression model for predicting Y from X.
 $\begin{array}{cc}
\hline X& Y \
\hline 65 & 74 \
82 & 87 \
70 & 82 \
46 & 53 \
55 & 69 \
75 & 81 \
\hline
\end{array}$ 
b. Use the prediction model obtained to predict the value of Y for a new person who scored 80 on the pretest.

You Are Given the Following Pairs of Scores on X XY657482877082465355697581\begin{array}{cc}\hline X& Y \\\hline 65 & 74 \\82 & 87 \\70 & 82 \\46 & 53 \\55 & 69 \\75 & 81 \\\hline\end{array}X658270465575​Y748782536981​​

You Are Given the Following Pairs of Scores on X $\begin{array}{cc}\hline X& Y \\\hline 65 & 74 \\82 & 87 \\70 & 82 \\46 & 53 \\55 & 69 \\75 & 81 \\\hline\end{array}$