Group 7 MOTION PICTURES INDUSTRY- CASE STUDY The data collected for a sample of 100 motion pictures produced in 2005 is given below. A survey is carried out to analyze how different variables of the Motion Picture Industry contribute to the success of its motion pictures. The study focuses on four major variables‚ Opening Gross Sales‚ Total Gross Sales‚ Number of Theatres and weeks in top 60. Motion Picture Opening Gross Sales( $millions) Total Gross Sales ($ millions) Number of Theaters
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Analyzing and Interpreting Data Team X QNT/351 Analyzing and Interpreting Data The ultimate goal of descriptive statistics is to describe a set of data‚ identify patterns‚ and draw a conclusion‚ which enables an organization to make effective and informed decisions (McClave‚ Benson‚ & Sincich‚ 2011). The company‚ Ballard Integrated Managed Services (BIMS)‚ a support services company will leverage statistics to gather information on the company’s employees to analyze and identify patterns
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Statistics‚ using the observations 1 - 324 for the variable SCORE (324 valid observations) Mean Median Minimum Maximum 1.70062 1.75000 0.500000 3.25000 Std. Dev. C.V. Skewness Ex. kurtosis 0.522215 0.307074 -0.0511422 0.208336 5% Perc. 95% Perc. IQ range Missing obs. 0.750000 2.50000 0.500000 0 Summary Statistics‚ using the observations 1 - 324 for the variable PRICE (324 valid observations) Mean Median Minimum Maximum 21.6155 19.9199 9.90050 57.8035 Std. Dev. C.V. Skewness Ex. kurtosis 6.49527
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4 5 6 Frequency (a) 1 3 5 4 6 10 8 Write down the standard deviation. (2) (b) Write down the median score. (1) (c) Find the interquartile range. (3) (Total 6 marks) 3. Consider the four numbers a‚ b‚ c‚ d with a b c ≤ d‚ where a‚ b‚ c‚ d The mean of the four numbers is 4. . The mode is 3. The median is 3. The range is 6. Find the value of a‚ of b‚ of c and of d. (Total 6 marks) 2 The following is the cumulative frequency
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Mean = Exercise 6 Sample standard deviatons = sx = Exercise 7 Sample size = n = Calculations Use the table in section 2.11.13 to calculate the following values: Exercise 8 Median = Exercise 9 Mode = Exercise 10 First quartile = Exercise 11 Second quartile = median = 50th percentile = Exercise 12 Third quartile Exercise 13 Interquartile range (IQR) = _______ - _______ = ________ Exercise 14 10th percentile = Exercise 15 70th percentile =
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STATISTICS TEST Length: 1090 words (3.1 double-spaced pages) Rating: Red (FREE) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Statistics are necessary for scientific research because they allow the researchers to analyze empirical data needed to interpret the findings and draw conclusions based on the results of the research. According to Portney and Watkins (2009)‚ all studies require a description of subjects and responses that are obtained through measuring central
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Evolution of the costs and benefits of business groups: Korean chaebols with pre-crisis discount and post-crisis premium Keun Lee‚*‚ Ji Youn Kim a‚ Oonkyu Leeb a b School of Economics‚ Seoul National University‚ Seoul Korea Techno-Economics and Policy Program(TEPP)‚ Seoul National University‚ Seoul‚ Korea ___________________________________________________________________________ Abstract We examine Korean chaebols to analyze the long term evolution of the costs and benefits associated
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------------------------------------------------- ETX2011/ETX9520 QUANTITATIVE METHODS FOR RISK ANALYSIS ------------------------------------------------- Semester 1‚ 2013 ------------------------------------------------- ASSIGNMENT 1 - solutions Total: 69 marks ------------------------------------------------- I recently asked many students about the number of Problems from AWZ that they have done so far. The answer was mostly “0”. If this is your answer‚ then I invite you to look at your
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5. Create a cumulative frequency curve and describe its shape. 100% 75% 50% 25% 0% 157.5 162.5 167.5 172.5 177.5 182.5 Heights S-shaped curve. typical of a normal distribution 6. Use the ogive to estimate the median and quartiles. 1st quartile: Q1 about 167cm Median: about 170 cm 3rd quartile: Q3 About 174cm Estimated from the graph. 7. What is the inter-quartile range? Inter-quartile range: IQR=Q3-Q1=174-166=7cm 2015/6/2 !2 GAC010 AE2 Louis ID 8. Box plot 160 165 170 175
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Chapter 8 Interval Estimation Case Problem 1: Young Professional Magazine 1. Descriptive Statistics for the quantitative variables follow: Variable N Mean SE Mean StDev Minimum Maximum Skewness Age 410 30.112 0.199 4.024 19.000 42.000 -0.03 Investments 410 28538 781 15811 0.000 133400 1.71 Transactions 410 5.973 0.153 3.101 0.000 21.000 1.21 Household Income 410 74460 1720 34818
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