calories per beer, 142.3478, is the central point around which the data cluster. The median calories per beer, 148, are the middle value in the data and means that fifty percent of the beers have calories above 148 and fifty percent of the beers have calories below 148. The mode, 148, is the value, or number of calories that occur most frequently in the data set. The standard deviation is the typical spread around the mean number of calories per beer and is +/- 29.90221 calories. The range of calories
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LASTONESTANDING.COM Executive Summary Lastonestanding.com will be a premier social networking/dating website with a unique approach when bringing together people with similar interests; it will be designed for single people who are their last in their social circle to get married and for the recently single or divorced who have a circle of married friends. By combining the latest internet and cell phone technologies and by changing the format of what is offered by popular social networking/dating
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13581223 | 354555657585 | 351352755209001955 | 149172952 | | 52 | | 3820 | | 2.2.1 Mean of grouped data X = Σ Fi Xi Σ Fi = 3820/52 = 73.46 ≈ 73.5 The mean time to complete the task is 73.5 minutes 2.2.2 The median of grouped data Median = Lmed + c (n/2 – F) Fmed = 70 + 10(56/2 – 17) 12 = 70 + 10(26-17) 12 = 70 + (0.75*10) = 70+7.5 ≈ 77.5 minutes 2.2.3 Mode of grouped data Mode = Lmod + c (fm-fm-1) 2 fm-fm-1-fm+1 = 80+10(23-12) (2*23)-12-0 = 80+10(11)
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defined as the difference between first and third quartiles and divided by two (Appendix 10) SIR is often used with skewed data as it is insensitive to the extreme scores. (Appendix 11). . (DrZahid Khan, 2014) Mean deviation is measures the average distance of each observation away from the mean of the data like gives an equal weight to each observation. Generally more sensitive than the range or interquartile range, since a change in any value will effect it. (Appendix 12). (DrZahid Khan,
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couples regarding their education level, annual salary, the value of the cars that they own, the value of their homes, their total savings value (including stocks and bonds) and their social climber index (scale of 1-10, where 1 means very unconcerned about social status, 10 means very concerned). With this data and using SPSS and/or excel statistical functions, answer the following questions: a) Generate box plots that illustrate education level versus salary, and social climber index versus salary
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convenience because the beachgoers being interviewed are not a good representation of general beachgoers. 7. Mean of the raw score: 6 | 8 | 9 | 10 | 11 | 13 | 14 | 6 | 8 | 9 | 10 | 11 | 13 | 15 | 7 | 9 | 10 | 10 | 12 | 13 | 15 | 7 | 9 | 10 | 11 | 12 | 13 | 15 | 8 | 9 | 10 | 11 | 12 | 14 | 15 | N= 35 ∑X = 375 mean= x1+x2+x3….+xnn= ∑Xn 37535=10.71 8. Median of the raw scores:
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The quantitative analysis of the Motion Picture Industry provided by the textbook with the data set reveals many key aspects of the industry. Utilizing the descriptive statistics for each of the four variables in the data set can include mean, mode, median, z-score, standard deviation, dispersion, and correlation coefficient. Outliers are defined as a data set that has unusually large or unusually small values will also be determined using the same statistics (Anderson, et al., 2011). An evaluation
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survey question was engineered to evaluate the how fairly BIMS employees was treated by their supervisors, in order to reveal the underlying issue, continuous concerns of high turnover, and low morale in the company. The analysis was use to find mean, median, mode, range, minimum, maximum, standard deviation, and central tendency of the descriptive statistics. Once the
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histogram. A part of descriptive statistics involves calculating the measures of central tendency and dispersion. Central tendency involves estimates of the mean, mode, and median. The mean can be used in describing central tendency. The mode is the most frequently occurring value in the set of scores (Lind, Marchal, Wathem, 2005). And the median is the score that is found at the exact middle of the set of values. By reviewing and analyzing the central tendencies of the data the below graph will help
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The purpose of unit 8 data analysis project is for students choosing a file of their choice and utilized the required spreadsheets to compute different figures for each. Each spreadsheet must show a description of the spreadsheet with utilizing the Frequency Distribution, Descriptive Statistics, conducting three different hypothesis tests, and conducting a multiple regression. Instructions for the project is to choose 200 observations from the file by giving a description of the data file as well
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