STATISTICS PROJECT: Hypothesis Testing See my comments in red. Scoring last page. INTRODUCTION My topic is the average tuition cost of a 4-yr. public college. Since I will soon be transferring to a 4-yr. college‚ I thought this topic would be perfect. "The College Board" says that the average tuition cost of college is $5836 per year. I will be researching online the costs of different public colleges to test this claim. I will be using the T-test for a mean‚ since my sample is going to be less
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Presentation and Data Analysis 1.) What product do you use? -Majority of the respondents in different year level choose “SMART” almost 80% of them prefer to use this product‚ while 18% of the respondents choose “GLOBE” and 2% selected “OTHERS”. 2.) How frequently do you purchase product from Smart load? -Majority of the respondents choose “SPECIFY” in this question on how frequently they purchase Smart product‚ 25% of the students selected “EVERYDAY”‚
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Shocking Statistics About Tobacco There are 12 Crores tobacco users in India i.e. every 9th Indian consumes tobacco. Sixteen percent are cigarette smokers‚ 44% are bidi smokers and 40% are tobacco chewers and snuffers in the form of Gutka‚ Mishri‚ Zarda‚ Khaini‚ Pan Masala‚ chewing the Betal Quid and snuffing Nasvar. Smokers have 20-25 times higher risk of developing Cancer Bidis are more lethal than cigarettes Chewing and inhaling smokeless tobacco is the most lethal form of tobacco available
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Uniform Hospital Discharge Data Set Veronica Burgos Kaplan University The year was 1969‚ when a conference was held by the National Center for Health Services Research and Development and Johns Hopkins to address hospital discharge abstract systems. A hospital discharge abstract system is an “abstraction of minimum data set from hospital charts for the purpose of producing summary statistics about hospitalized patients” (Porta‚ 2014). During that conference participants discussed the possibility
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T-test A t-test is a hypothesis test in which the test statistic follows a Student’s t-distribution under the null hypothesis. There are several different test statistics that fall into the category of a t-test. One-Sample t-test x 0 s n df n 1 t Independent Two-Sample t-test t x1 x2 2 sx1x2 n 1 2 2 sx1 sx2 2 df 2n 2 sx1x2 Unequal Sample Size Two-Sample t-test t x1 x2 1 1 sx1x2 n1 n2 sx1x2 n1 1 sx2 n2
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vital statistics of populations studied probability through games of chance‚ gambling | 18th Century | Laplace‚ Gauss | normal curve‚ regression through study of astronomy | 19th Century | Quetelet Galton | astronomer who first applied statistical analyses to human biologystudied genetic variation in humans(used regression and correlation) | 20th Century (early) | PearsonGossett (Student) Fisher | studied natural selection using correlation‚ formed first academic department of statistics‚ Biometrika
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Anorexia and Bulimia In ballet. Anorexia affects over 24 million people worldwide. 9% percent of The United States of America’s population has some sort of eating disorder‚ and that statistic is even higher is ballet dancers‚ 84% .This essay will explore why the statistic is higher in dancers and the connection between success and being extremely thin. Anorexia and bulimia are both very harsh psychological and physiological disorders. Anorexia is diagnosed when someone’s body weight is
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Contents Univariate Data 2 Central tendency 2 Mean 2 Median 3 Mode 3 Trimean 3 Trimmed Mean 3 Spread 3 Range 3 Semi Inter Quartile Rang 3 Variance and Standard Deviation 3 Skew 3 Graphical Representations 4 Frequency Polygons& Cumulative Frequency Polygons 4 Histograms & Bar Graphs 4 Stem and Leaf plots 4 Box Plots 4 Describing Bivariate Data 4 Scatterplots 4 Pearson’s Correlation 4 Spearman’s Rho 4 Probability 4 Binomial Distribution 4 Assumptions:
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Discuss Data Gathering and Presentation Skills of Consultants. Consultants must possess a variety of skills that help to enable them to provide the best advisory services to their clients. Two of the important skills that contribute to their profession and ability to perform the required work are data gathering and presentation skills. Exceptional presentation proficiency is especially necessary because it is essential throughout the engagement. These skills are used to pitch to clients‚ communicate
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step 2: The hypothesis Answer the following questions: * What is a hypothesis? * How is a hypothesis different from a theory in science? * Describe an example of how you may use the scientific method in your daily life and state a good hypothesis for that example. * Which hypothesis did you first pick in the "Recognizing a good hypothesis" activity in the scientific method tutorial? Why? If any‚ which mistake(s) did you make when picking a hypothesis? A hypothesis is a specific
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