Solution-Mean number-laugh episodes of speakers and

Mean number-laugh episodes of speakers and audience members

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Reference no: EM131722718

Question: Laughter among deaf signers. The Journal of Deaf Studies and Deaf Education (Fall 2006) published an article on vocalized laughter among deaf users of American sign language (ASL). In videotaped ASL conversations among deaf participants, 28 laughed at least once. The researchers wanted to know if they laughed more as speakers (while signing) or as audience members (while listening). For each of the 28 deaf participants, the number of laugh episodes as a speaker and the number of laugh episodes as an audience member was determined. One goal of the research was to compare the mean number of laugh episodes of speakers and audience members.

(a) Explain why the data should be analyzed as a paired difference experiment.

(b) Identify the study's target parameter.

(c) The study yielded a sample mean of 3.4 laughter episodes for speakers and a sample mean of 1.3 laughter episodes as an audience. Is this sufficient evidence to conclude that the population means are different? Explain.

(d) A paired difference t-test resulted in t = 3.14 and p-value

Reference no: EM131722718

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Mean number-laugh episodes of speakers and audience members : Laughter among deaf signers. The Journal of Deaf Studies and Deaf Education (Fall 2006) published an article on vocalized laughter among deaf users of American.

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Mean number-laugh episodes of speakers and audience members

Reference no: EM131722718

Reference no: EM131722718

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