ch_9_A - at 5% significance level _______________ (3) Use...

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Chapter 10 MATH – 200 Form A Two separate tests are designed to measure student’s ability to solve problems. Several students are randomly selected to take both tests and results are given below: Test A 13 15 18 11 21 15 16 20 24 26 17 22 Test B 39 43 49 32 37 43 45 53 57 65 47 39 (1) Find the value of the linear correlation coefficient r. _______________ (2) Test the significance of the correlation coefficient r
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Unformatted text preview: at 5% significance level _______________ (3) Use the given sample data to find the estimated equation of the regression line. _____________ (4) Plot the scatter diagram with the regression line on the calculator. (5) Predict a students score on Test B if he scored 22 on Test A. ____________...
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