Give the degrees of freedom for the chi-square test based on the two-way table.Degrees of freedom = iGroup 1Group 2Yes No720 2801180 320

According to the given information, we have Two way table is given. Yes No Group 1 720 280…

Answered: Give the degrees of freedom for the…

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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Pls help with below homework. Explain the important concept of the ‘prediction table.’ including the difference between the diagonal cells of the table and the off-diagonal cells. Provide an example of such a table (and draw it) for a problem with two choices and 120 observations.
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A study was undertaken to determine whether the consumers have any preference among four brands of cars. A sample of 200 people was used to collect data. I. II. Brand Number of consumers A 49- B B 52- α с 61+ B D 38+a Chi-square goodness of fit test can be applied to the above data set. Write 2 reasons. Using chi squared goodness of fit test, determine whether the consumers have any preference among four brands of cars. State your hypotheses and all workings clearly. (Critical value for degrees of freedom 3 and significance level 0.05 is 7.815.)
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Give the degrees of freedom for the chi-square test based on the two-way table. Degrees of freedom = Group 1 Group 2 Yes No 720 280 1180 320