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# Can you show workings with explanation?

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Author: michael ritchey
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Chapter: Statistical Reasoning - t-Tests, Two-Way Tables, and NOVA

Homework Assignment: Due Friday, 8/11/2017 by 8:00 pm

This table contains the results of a poll of congressional job approval in numbers of people.

Polling Organization

Approve

Disapprove

News Network

234

1186

Independent Company

185

802

1.    Perform a chi-square test of independence using StatCrunch. Paste the results window here.

2.    In full sentences, tell me what are the null and alternative hypotheses for this chi-square test of independence? In your statements, be specific to the variables in the poll.

3.    What is the value of the chi-square statistic and what is the p-value?

4.    Given the values in number 3 above, should you reject or not reject the null hypothesis?

5.    Given your decision in number 4 above (based on the information in number 3 above), what is the conclusion of the hypothesis test of independence? Use full sentences and refer to the hypotheses in number 2 above in your explanation.

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