Question: In Original Source 2 on the companion website Development and
In Original Source 2 on the companion website, “Development and initial validation of the Hangover Symptoms Scale: Prevalence and correlates of hangover symptoms in college students,” one of the questions was how many times respondents had experienced at least one hangover symptom in the past year. Table 3 of the paper shows that out of all 1216 respondents, 40% answered that it was two or fewer times. Suppose the researchers are interested in the proportion of the population who would answer that it was two or fewer times. Can they conclude that this population proportion is significantly less than half (50% or 0.5)? Go through the four steps of hypothesis testing for this situation.
Answer to relevant QuestionsRefer to the previous exercise. Repeat the test for women only. Refer to Table 3 of the paper for the data. State the null and alternative hypotheses for each of the following potential research questions: a. Does working 5 hours a day or more at a computer contribute to deteriorating eyesight? b. Does placing babies in an ...Siegel (1993) reported a study in which she measured the effect of pet ownership on the use of medical care by the elderly. She interviewed 938 elderly adults. One of her results was re-ported as: “After demographics and ...In a February, 2013, CBS News/ New York Times poll of 250 American Catholics who attend mass at least once a week, 57% answered yes to the question, “Do you favor allowing women to be priests?” ...Explain the difference between statistical significance and significance as used in everyday language.
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