Chapter 11, Section 11.3, Problem 021 Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 138 89 79 Row 2 93 50 89 Row 3 122 78 113 a. Write the null and alternative hypotheses for a test of independence for this tabl Ho: Rows and columns are H: Row and columns are b. Calculate the expected frequencies for all cells assuming that the null hypothesis Round your answers to three decimal places, where required. Column 1 Column 2 Column 3 Row 1

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Mann, Introductory Statistics, 9e
ce
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Gradebook
ORION
Downloadable eTextbook
ent
Chapter 11, Section 11.3, Problem 021
Consider the following contingency table that is based on a sample survey.
Column 1
Column 2
Column 3
Row 1
138
89
79
Row 2
93
50
89
Row 3
122
78
113
a. Write the null and alternative hypotheses for a test of independence for this table.
Ho: Rows and columns are
H: Row and columns are
b. Calculate the expected frequencies for all cells assuming that the null hypothesis is
Round your answers to three decimal places, where required.
Column 1
Column 2
Column 3
Row 1
Transcribed Image Text:gen.wileyplus.com/edugen/student/mainfr.uni Mann, Introductory Statistics, 9e ce Assignment Gradebook ORION Downloadable eTextbook ent Chapter 11, Section 11.3, Problem 021 Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 138 89 79 Row 2 93 50 89 Row 3 122 78 113 a. Write the null and alternative hypotheses for a test of independence for this table. Ho: Rows and columns are H: Row and columns are b. Calculate the expected frequencies for all cells assuming that the null hypothesis is Round your answers to three decimal places, where required. Column 1 Column 2 Column 3 Row 1
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