The table below shows the marks out of 40 for nine students on two tests. The tests coversimilar content but on one test the students are allowed to use a calculator while on theother test calculators are not allowed.StudentABCalculator allowed (x)810Non-calculator (y) 12 14(b)C146Student J scored 25 on the test with calculators allowed, but missed the non-calculator test.Use the marks for students A to I to find the value of the Pearson correlationcoefficient between the marks x on the test with calculator allowed and the marks y onthe non-calculator test, and the equation of the least squares regression line of y on x.(a)(c)D EFGH I141622 2832 36428 16 24 22 18Use the least squares regression line of y on x to estimate the mark of student Jon the non-calculator test.Describe the strength of the correlation between the marks on the two tests andexplain how this may affect the accuracy of your estimate.

The question is about correlation and regression Given : To find : a ) Pearson correlation…

Answered: The table below shows the marks out of…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.1: Real Numbers

Problem 30E

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