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Y 55 85 50 74 55 76 55 90 85

Y 55 85 50 74 55 76 55 90 85

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following data represent the Statistics grades for a random sample of 12 freshman-nursing students of OLFU along with their IQ score. STATISTICS IQ SCORE GRADE STUDENT Y XY 65 85 2 50 74 3 55 76 65 90 5 70 85 6 65 87 7 70 94 8 55 85 70 90 10 50 81 11 55 91 12 75 76 13 80 74 14 65 80 15 70 70 a.) Compute and interpret the sample correlation coefficient. Solution: Value of r: Interpretation of r: b.) Test the null hypothesis that there is no significant relationship between IQ score and the Statistics grade at 0.05 level of significance.
Transcribed Image Text:The following data represent the Statistics grades for a random sample of 12 freshman-nursing students of OLFU along with their IQ score. STATISTICS IQ SCORE GRADE STUDENT Y XY 65 85 2 50 74 3 55 76 65 90 5 70 85 6 65 87 7 70 94 8 55 85 70 90 10 50 81 11 55 91 12 75 76 13 80 74 14 65 80 15 70 70 a.) Compute and interpret the sample correlation coefficient. Solution: Value of r: Interpretation of r: b.) Test the null hypothesis that there is no significant relationship between IQ score and the Statistics grade at 0.05 level of significance.
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