women who live alone buy take-out dinner in a month. The information is summarized below. Statistic Men Women Sample mean 24.51 22.69 Population standard deviation 4.48 3.86 Sample size 35 40 At the .01 significance level‚ is there a difference in the mean number of times men and women order take-out dinners in a month? What is the p-value? 46. Grand Strand Family Medical centre is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities
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Research methods: Data analysis G Qualitative analysis of data Recording experiences and meanings Distinctions between quantitative and qualitative studies Reason and Rowan’s views Reicher and Potter’s St Paul’s riot study McAdams’ definition of psychobiography Weiskrantz’s study of DB Jourard’s cross-cultural studies Cumberbatch’s TV advertising study A bulimia sufferer’s diary G Interpretations of interviews‚ case studies‚ and observations Some of the problems involved in drawing
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distribution ( After R.A. Fisher and George W. Snedecor)(2) which arises in the testing of whether two observed samples have the same variance. (1) Note that three of the most important distributions (namely the normal distribution‚ the t distribution‚ and the chi-square distribution) may be seen as special cases of the F distribution: (3) Example: We want to measure the monthly sales volume from Microsoft and Apple. We collect data for a year ( 12 months). We calculate the variance for both and define
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psychiatric unit. J.M.‚ a 23-year-old woman‚ was admitted to the psychiatric unit last night after assessment and treatment at a local hospital emergency department (ED) for “blacking out at school.” She has been given a preliminary diagnosis of anorexia nervosa. As you begin to assess her‚ you notice that she has very loose clothing‚ she is wrapped in a blanket‚ and her extremities are very thin. She tells you‚ “I don’t know why I’m here. They’re making a big deal about nothing.” She appears to
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| p-value | | | | | | | | 15.22 A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At α = .05‚ does vehicle type vary by mall location? (Data are from a project by MBA students Steve Bennett‚ Alicia Morais‚ Steve Olson‚ and Greg Corda.) Vehicles Vehicle Type | Somerset | Oakland | Great Lakes | Jamestown | Row Total | Car | 44 | 49 | 36 | 64 | 193 | Minivan | 21 | 15 | 18 | 13 | 67
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Worked example from Tutorial 8 8.3 Three laboratories‚ A‚ B‚ and C‚ are used by food manufacturing companies for making nutrition analyses of their products. The following data are the fat contents (in grams) of the same weight of three similar types of peanut butter. | |Laboratory | |Peanut Butter |A |B |C |D | |Brand 1 |16
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Research‚ Statistics‚ and Psychology PSY315 Jan 12‚ 2014 Without research methods and processes‚ an unimaginable amount of information would be lost to the world. Though research topics and researcher personalities vary greatly‚ universal truths or basics of research stand the test of time. In this paper‚ I examine the role of research and statistics in the field of psychology by explaining several important parts of research. I define research and
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BICOL STATE COLLEGE OF APPLIED SCIENCE AND TECHNOLOGY NAGA CITY HISTORY OF STATISTICS Group 3 Members: Tricia Mae Berja Michelle Lee Desiree Basmayor Mica Rubio Gian Perucho Ivan Ricafort Ms. Donnalyn Matamorosa Dominic Bobis Teacher Alex Obligado Ancient Times (3000 BC – 27 BC) * Pictorial representation and other symbols were used for Statistics back in the days. (To record numbers of people‚ animals‚ etc.) * In Babylonia and China‚ population is
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Descriptive Statistics One of the most beloved sports in America is Major League Baseball. This professional sport spends billions of dollars each year enhancing the chances to reach the ultimate goal in winning the World Series. Major League Baseball is one of the few remaining sports that have an uneven balance in the franchise wage capacity to acquire top talented players. The areas of concentration in this research paper will be player salaries‚ winning percentage‚ player performance
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describes “adolescent girls and adult women with anorexia nervosa have low areal bone mineral density compared to normal-weight controls”. This article also “examine whether reductions in areal bone mineral density predict fracture risk in females and anorexia nervosa”. 2. What‚ if any‚ were the hypotheses or research questions? -In the article they “assessed fracture history and areal bone mineral density in a large group of adolescent females with anorexia nervosa and normal weight control”. -They “hypothesized
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