In Exercises 13.79–13.86, use either she critical value approach or the P-value approach to perform a chi-square independence test, provided the conditions for using the test are met.
13.82 Deceptive News. In the article “When News Reporters Deceive: The Production of stereotypes” (Journalism &Mass communication Quarterly, Vol. 84, No 2, pp. 281-298), researchers D. Lasors and J. Dai investigated the relationship between authenticity and tone for news stories. Tone was measured by using a method of coding sentences and was categorized as positive, neutral or negative. A sample of stories yielded the following data.
At the 5% significance level, do the data provide sufficient evidence to conclude that an association exists between authenticity and tone?
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Introductory Statistics (10th Edition)
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