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A College Admissions Counselor Was Interested in Finding Out How

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A college admissions counselor was interested in finding out how well high school grade point averages (HS GPA) predict first-year college GPAs (FY GPA). A random sample of data from first-year students was reviewed to obtain high school and first-year college GPAs. The data are shown below: HS GPA 3.823.903.203.403.883.503.603.70FY GPA3.753.452.602.953.502.763.103.40\begin{array}{|l|l|l|l|l|l|l|l|l|}\hline \text {HS GPA }& 3.82 & 3.90 & 3.20 & 3.40 & 3.88 & 3.50 & 3.60 & 3.70 \\\hline \text {FY GPA} & 3.75 & 3.45 & 2.60 & 2.95 & 3.50 & 2.76 & 3.10 & 3.40 \\\hline\end{array}

 HS GPA4.003.303.503.803.874.003.203.82 FY GPA 3.902.703.003.003.103.772.803.54\begin{array}{|c|c|c|c|c|c|c|c|c|}\hline\text { HS GPA} & 4.00 & 3.30 & 3.50 & 3.80 & 3.87 & 4.00 & 3.20 & 3.82 \\\hline\text { FY GPA }& 3.90 & 2.70 & 3.00 & 3.00 & 3.10 & 3.77 & 2.80 & 3.54 \\\hline\end{array}

Dependent variable is: \quad FY GPA
No Selector
R \mathrm{R} squared =75.4%R =75.4 \% \quad \mathrm{R} squared (adjusted) =73.6% =73.6 \%
s=0.2118 s=0.2118 with 162=14 16-2=14 degrees of freedom

 Source  Sum of Squares  df  Mean Square  F-ratio  Regression 1.9228311.9228342.9 Residual 0.627867140.044848 Variable  Coefticient  s.e. of Coeft  t-ratio  prob  Constant 1.564100.73062.140.0504 HS GPA 1.305270.19936.550.0001 \begin{array}{llrrr}\text { Source } & \text { Sum of Squares } & \text { df } & \text { Mean Square } & \text { F-ratio } \\ \text { Regression } & 1.92283 & 1 & 1.92283 & 42.9 \\ \text { Residual } & 0.627867 & 14 & 0.044848 & \\ & & & & \\ \text { Variable } & \text { Coefticient } & \text { s.e. of Coeft } & \text { t-ratio } & \text { prob } \\ \text { Constant } & -1.56410 & 0.7306 & -2.14 & 0.0504 \\ \text { HS GPA } & 1.30527 & 0.1993 & 6.55 & \leq 0.0001\end{array}

 A college admissions counselor was interested in finding out how well high school grade point averages (HS GPA) predict first-year college GPAs (FY GPA). A random sample of data from first-year students was reviewed to obtain high school and first-year college GPAs. The data are shown below:  \begin{array}{|l|l|l|l|l|l|l|l|l|} \hline \text {HS GPA }& 3.82 & 3.90 & 3.20 & 3.40 & 3.88 & 3.50 & 3.60 & 3.70 \\ \hline \text {FY GPA} & 3.75 & 3.45 & 2.60 & 2.95 & 3.50 & 2.76 & 3.10 & 3.40 \\ \hline \end{array}    \begin{array}{|c|c|c|c|c|c|c|c|c|} \hline\text { HS GPA} & 4.00 & 3.30 & 3.50 & 3.80 & 3.87 & 4.00 & 3.20 & 3.82 \\ \hline\text { FY GPA }& 3.90 & 2.70 & 3.00 & 3.00 & 3.10 & 3.77 & 2.80 & 3.54 \\ \hline \end{array}   Dependent variable is:   \quad   FY GPA No Selector   \mathrm{R}   squared   =75.4 \% \quad \mathrm{R}   squared (adjusted)   =73.6 \%     s=0.2118   with   16-2=14   degrees of freedom    \begin{array}{llrrr}\text { Source } & \text { Sum of Squares } & \text { df } & \text { Mean Square } & \text { F-ratio } \\ \text { Regression } & 1.92283 & 1 & 1.92283 & 42.9 \\ \text { Residual } & 0.627867 & 14 & 0.044848 & \\ & & & & \\ \text { Variable } & \text { Coefticient } & \text { s.e. of Coeft } & \text { t-ratio } & \text { prob } \\ \text { Constant } & -1.56410 & 0.7306 & -2.14 & 0.0504 \\ \text { HS GPA } & 1.30527 & 0.1993 & 6.55 & \leq 0.0001\end{array}      -Create and interpret a 95% confidence interval for the slope of the regression line.
-Create and interpret a 95% confidence interval for the slope of the regression line.


Definitions:

Medical Model

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Co-created Experiences

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An interdisciplinary field that explores the biological, psychological, and sociocultural aspects of human life to understand the human condition better.

Paradoxes

Statements or propositions that, despite sound reasoning from acceptable premises, lead to conclusions that seem logically unacceptable or self-contradictory.

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