Chapter 11, Section 11.3, Problem 021 Your answer is partially correct. Try again. Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 136 93 75 Row 2 93 54 89 Row 3 126 72 114 a. Write the null and alternative hypotheses for a test of independence for this tablé. Ho: Rows and columns are independent H: Row and columns are independent b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true. Round your answers to three decimal places, where required. Column 3 Total Column 1 Column 2 vacy Policy | © 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc.

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Chapter 11, Section 11.3, Problem 021
Z Your answer is partially correct. Try again.
Consider the following contingency table that is based on a sample survey.
Column 1
Column 2
Column 3
Row 1
136
93
75
Row 2
93
54
89
Row 3
126
72
114
a. Write the null and alternative hypotheses for a test of independence for this table.
Ho: Rows and columns are
independent
H: Row and columns are
independent O
b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true.
Round your answers to three decimal places, where required.
Column 3
Total
Column 1
Column 2
Privacy Policy | © 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc.
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Transcribed Image Text:FULL SCREEN PR Chapter 11, Section 11.3, Problem 021 Z Your answer is partially correct. Try again. Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 136 93 75 Row 2 93 54 89 Row 3 126 72 114 a. Write the null and alternative hypotheses for a test of independence for this table. Ho: Rows and columns are independent H: Row and columns are independent O b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true. Round your answers to three decimal places, where required. Column 3 Total Column 1 Column 2 Privacy Policy | © 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. MacBook Air
b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true.
FULL SCREEN
PRINTER VERS
Round your answers to three decimal places, where required.
Column 1
Column 2
Column 3
Total
Row 1
Row 2
Row 3
Total
exact number, no tolerance
c. For a = 0.01, find the critical value of X. Specify the rejection and nonrejection regions on the chi-square distribution curve.
Enter the exact answer from the chi-square distribution table.
The rejection region is
on the left
of the critical value of y
Ion the right
rivacy Policy I © 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc.
MacBook Air
Transcribed Image Text:b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true. FULL SCREEN PRINTER VERS Round your answers to three decimal places, where required. Column 1 Column 2 Column 3 Total Row 1 Row 2 Row 3 Total exact number, no tolerance c. For a = 0.01, find the critical value of X. Specify the rejection and nonrejection regions on the chi-square distribution curve. Enter the exact answer from the chi-square distribution table. The rejection region is on the left of the critical value of y Ion the right rivacy Policy I © 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. MacBook Air
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