The two-way table shows sample results and hypotheses are given for a test for a difference in the proportion saying yes between the two groups.Test H0 : p1=p2vs Ha : p1>p2 using the results: YesNoTotalGroup 1282250Group 292108200Total120130250Find the value of the standardized z-test statistic and then use the standard normal distribution to find the p-value.Round your answers to three decimal places.test statistic = p-value =What is the conclusion using a 5%5% significance level?

Answered: The two-way table shows sample results…

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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The two-way table shows sample results and hypotheses are given for a test for a difference in the proportion saying yes between the two groups.

Test H0 : p1=p2vs Ha : p1>p2 using the results:

	Yes	No	Total
Group 1	28	22	50
Group 2	92	108	200
Total	120	130	250

Find the value of the standardized z-test statistic and then use the standard normal distribution to find the p-value.

Round your answers to three decimal places.

test statistic =
p-value =

What is the conclusion using a 5%5% significance level?

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