Letter B thanks! Eight students are selected randomly, and their present graduate GPA is comparedto their undergraduate GPA and scores on standardized tests.The data are shown below:Present GPA3.893.033.343.853.933.063.693.91Undergr GPA 3.772.753.113.7542.923.73.88Std. Scores700460550690720420670670a. Write the regression equation, letting undergraduate GPA be x1 and standardScores be x2.b. Is the model useful in calculating the present graduate GPA of a student? Use a= 0.05, State the null and alternative hypothesis. Provide the complete Regression%3DAnalysis.

The following solution is given below:

Answered: b. Is the model useful in calculating…

b. Is the model useful in calculating the present graduate GPA of a student? Use a = 0.05, State the null and alternative hypothesis. Provide the complete Regression %3D Analysis.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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Question

Letter B thanks!

Eight students are selected randomly, and their present graduate GPA is compared
to their undergraduate GPA and scores on standardized tests.
The data are shown below:
Present GPA
3.89
3.03
3.34
3.85
3.93
3.06
3.69
3.91
Undergr GPA 3.77
2.75
3.11
3.75
4
2.92
3.7
3.88
Std. Scores
700
460
550
690
720
420
670
670
a. Write the regression equation, letting undergraduate GPA be x1 and standard
Scores be x2.
b. Is the model useful in calculating the present graduate GPA of a student? Use a
= 0.05, State the null and alternative hypothesis. Provide the complete Regression
%3D
Analysis.

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