A research study that meets all the assumptions of

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A research study that meets all the assumptions of the parametric test used to analyze the data: Selected Answer: produces higher quality results than does a research study that fails to meet some of the assumptions. Answers: continues with the performance of the appropriate nonparametric follow-up test. has no bearing on the results of the research study. produces higher quality results than does a research study that fails to meet some of the assumptions. produces lower quality results than does a research study that fails to meet some of the assumptions. Question 11 0 out of 5 points Study Description: Dance Dance Revolution Unnithan, Houser, and Fernhall (2006) were interested in whether playing the game Dance Dance Revolution (DDR) affected the heart rate of overweight adolescents differently than it affected non-overweight adolescents. Twenty-two adolescents, 10 classified as overweight and 12 as not overweight, played DDR for 12 minutes, while the researchers measured each participant's heart rate. On average, the researchers found no difference between the heart rates in members of the two groups. Reference: Ref 7-2
(Study Description: Dance Dance Revolution) Which statement is the null hypothesis for this study? Selected Answer: The heart rate of members of the overweight group will be faster than that of members of the non-overweight group after both groups play Dance Dance Revolution. Answers: There will be no difference in the heart rate of the members in the two groups after playing Dance Dance Revolution. The heart rate of members of the overweight group will be faster than that of members of the non-overweight group after both groups play Dance Dance Revolution. The heart rate of the non-overweight group members will be faster than that of overweight group members after both groups play Dance Dance Revolution. The heart rates of the overweight group members and the non-overweight group will differ after both groups play Dance Dance Revolution. Question 12 0 out of 5 points When attempting to find a percentage associated with a z score, the second step involves looking up: Selected Answer: a raw score on the raw score table. Answers: a raw score on the raw score table. a standard score on the means table. a z score on the z table. the median to determine skewedness. Question 13 5 out of 5 points A z score _____ the mean will always be _____. Selected Answer: above; positive Answers: below; positive above; positive above; negative equal to; positive Question 14 5 out of 5 points Mehl (2007) published a study in the journal Science reporting the results of an extensive study of 396 men and women that compared the number of words uttered per day by each sex. If Mehl was testing the idea that women talk more than men, the null hypothesis for the study would be _____ and the research hypothesis would be _____ (in symbolic terms). Selected Answer:
Answers: Question 15 0 out of 5 points In one statistics course, students reported studying an average of 9.92 hours a week,

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