You are conducting a test of independence for the claim that there is an association between the row variable and the column variable. X Y Z A 44 49 20 B 8 28 44 The expected observations for this table would be X Y Z A B What is the chi-square test-statistic for this data? (2 decimals) χ2= Report all answers accurate to two decimal places.

You are conducting a test of independence for the claim that there is an association between the row variable and the column variable. X Y Z A 44 49 20 B 8 28 44 The expected observations for this table would be X Y Z A B What is the chi-square test-statistic for this data? (2 decimals) χ2= Report all answers accurate to two decimal places.

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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	X	Y	Z
A	44	49	20
B	8	28	44

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Use the value of the linear correlation coefficient to calculate the coefficient of determination. What does this tell you about the explained variation of the data about the regression line? About the unexplained variation? r= - 0.884 Calculate the coefficient of determination. (Round to three decimal places as needed.)
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