A survey asks a group of students if they buy CDs or not. It also asks if the students own a smartphone or not. These values are recorded in the contingency table below. What is the test statistic, χ20, for this test for homogeneity?Round the final answer to one decimal place (using expected frequencies that are also rounded to one decimal place). CDs No CDs Row Total Smartphone 91827No Smartphone 142438Column Total 234265Provide your answer below: chi-square test statistic=

Name: A survey asks a group of students if they buy CDs or not. It also asks
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Description: A survey asks a group of students if they buy CDs or not. It also asks if the students own a smartphone or not. These values are recorded in the contingency table below. What is the test statistic, χ20, for this test for homogeneity?Round the final a

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

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A survey asks a group of students if they buy CDs or not. It also asks if the students own a smartphone or not. These values are recorded in the contingency table below. What is the test statistic, χ20, for this test for homogeneity?

Round the final answer to one decimal place (using expected frequencies that are also rounded to one decimal place).

	CDs	No CDs	Row Total
Smartphone	9	18	27
No Smartphone	14	24	38
Column Total	23	42	65

Provide your answer below:

chi-square test statistic=

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