Chapter 2, Practice Problems: 8, 11, 12 Chapter 3, Practice Probl
Chapter 2, Practice Problems: 8, 11, 12 Chapter 3, Practice Problems: 14, 15, 25 8. In a study by Gonzaga et al. (2001), romantic couples answered questions about how much they loved their partner and also were videotaped while revealing something about themselves to their partner. The videotapes were later rated by trained judges for various signs of affiliation. Table 28 (reproduced from their Table 2) shows some of the results. Explain to a person who has never had a course in statistics the results for self-reported love for the partner and for the number of seconds leaning toward the partner.? Table 28 Mean Levels of Emotions and Cue Display in Study 1 Women (n = 60) Men (n = 60) Indicator M SD M SD Emotion reports Self-reported love 5.02 2.16 5.11 2.08 Partner-estimated love 4.85 2.13 4.58 2.20 Affiliation-cue display Affirmative head nods 1.28 2.89 1.21 1.91 Duchenne smiles 4.45 5.24 5.78 5.59 Leaning toward partner 32.27 20.36 31.36 21.08 Gesticulation 0.13 0.40 0.25 0.77 Note: Emotions are rated on a scale of 0 (none) to 8 (extreme). Cue displays are shown as mean seconds displayed per 60 s. 11.For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 2, 2, 0, 5, 1, 4, 1, 3, 0, 0, 1, 4, 4, 0, 1, 4, 3, 4, 2, 1, 0 12. For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 1,112; 1,245; 1,361; 1,372; 1,472 14. On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and (g) 4.5. 15. A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general is 0 and the standard deviation is 5. Which is this persons stronger ability: verbal or quantitative? Explain your answer to a person who has never had a course in statistics. 25. You are conducting a survey at a college with 800 students, 50 faculty members, and 150 administrators. Each of these 1,000 individuals has a single listing in the campus phone directory. Suppose you were to cut up the directory and pull out one listing at random to contact. What is the probability it would be (a) a student, (b) a faculty member, (c) an administrator, (d) a faculty member or administrator, and (e) anyone except an administrator? (f) Explain your answers to someone who has never had a course in statistics. Get professional assignment help cheaply Are you busy and do not have time to handle your assignment? Are you scared that your paper will not make the grade? Do you have responsibilities that may hinder you from turning in your assignment on time? Are you tired and can barely handle your assignment? Are your grades inconsistent? Whichever your reason may is, it is valid! You can get professional academic help from our service at affordable rates. We have a team of professional academic writers who can handle all your assignments. Our essay writers are graduates with diplomas, bachelor, masters, Ph.D., and doctorate degrees in various subjects. The minimum requirement to be an essay writer with our essay writing service is to have a college diploma. When assigning your order, we match the paper subject with the area of specialization of the writer. Why choose our academic writing service? Plagiarism free papers Timely delivery Any deadline Skilled, Experienced Native English Writers Subject-relevant academic writer Adherence to paper instructions Ability to tackle bulk assignments Reasonable prices 24/7 Customer Support Get superb grades consistently
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