We have studied 2 different test statistics, z, and X2. Explain the similarities in; How each test statistic is calculated How each test statistic is used to determine if the sample statistic provides enough evidence against the null hypothesis to reject it. *i saw another answer on here but it didn't go in depth so im still confused

Answered: We have studied 2 different test…

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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We have studied 2 different test statistics, z, and X2. Explain the similarities in;

How each test statistic is calculated
How each test statistic is used to determine if the sample statistic provides enough evidence against the null hypothesis to reject it.

*i saw another answer on here but it didn't go in depth so im still confused

Expert Solution

Step 1

1.The z-test statistic for independent proportions and the chi-square test statistic are related to each other in such a way that the square of the z-test statistic is equal to the chi-square test statistic. That is,

Step 2

The chi-square test statistic is,

The chi-square test statistic is derived using the z-test statistic for proportion.

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