The final test and exam averages for 20 randomly selected students taking a course in engineering statistics and a course in operations research are in Table E11-7. Assume that the final averages are jointly normally distributed. TABLE • E11-7 Exam GradesStatistics OR Statistics ORStatistics OR86808681838175817176757069756572711375818485767290927172848094956265979883809093a. Find the regression line relating the statistics final average to the OR final average. Graph thedata.b. Test for significance of regression using a = 0.05.c. Estimate the correlation coefficient.d. Test the hypothesis that p = 0, using a = 0.05.e. Test the hypothesis that p = 0.5, using a = 0.05.f. Construct a 95% confidence interval for the correlation coefficient.

The final test and exam averages for 20 randomly selected students taking a course in engineering statistics and a course in operations research are in Table E11-7. Assume that the final averages are jointly normally distributed

The final test and exam averages for 20 randomly selected students taking a course in engineering statistics and a course in operations research are in Table E11-7. Assume that the final averages are jointly normally distributed

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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