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a.) Construct the scatter diagram. b.) Compute and interpret the sample correlation coefficient. c.) Test the null hypothesis that there is no significant relationship between the IQ score and the Statistics grade at 0.05 level of significance. Use the P-approach method.

a.) Construct the scatter diagram. b.) Compute and interpret the sample correlation coefficient. c.) Test the null hypothesis that there is no significant relationship between the IQ score and the Statistics grade at 0.05 level of significance. Use the P-approach method.

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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2.) The following data represent the Statistics grades for a random sample of 12 freshmen-nursing students of OLFU along with their IQ score. a.) Construct the scatter diagram. b.) Compute and interpret the sample correlation coefficient. c.) Test the null hypothesis that there is no significant relationship between the IQ score and the Statistics grade at 0.05 level of significance. Use the P-approach method. Student IQ Score Statistics Grade 1234567890=234 15 2888282828282 11 65 50 55 65 70 65 70 55 70 50 55 75 80 65 70 5科龙05町出50針射花400 85 74 76 90 85 87 94 85 90 81 91 76 74 80 70 Ans: b.) r = -0.045 c.) Pearson r critical value = ± 0.514
Transcribed Image Text:2.) The following data represent the Statistics grades for a random sample of 12 freshmen-nursing students of OLFU along with their IQ score. a.) Construct the scatter diagram. b.) Compute and interpret the sample correlation coefficient. c.) Test the null hypothesis that there is no significant relationship between the IQ score and the Statistics grade at 0.05 level of significance. Use the P-approach method. Student IQ Score Statistics Grade 1234567890=234 15 2888282828282 11 65 50 55 65 70 65 70 55 70 50 55 75 80 65 70 5科龙05町出50針射花400 85 74 76 90 85 87 94 85 90 81 91 76 74 80 70 Ans: b.) r = -0.045 c.) Pearson r critical value = ± 0.514
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