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Descriptive Statistics Project Project #1This project gives you the chance to use all of the statistical techniques and concepts that are covered in the initial chapters of the text.Problem: Think of a question that can be answered by analyzing data.Data Collection: This is an open ended project and you have wide latitude as to whatquestion you would like to answer and where you get the data to answer the question.Guidelines/Restrictions:? Your data should be numerical and continuous.? You should have at least 30 observations or data points.? You may use either sample data or an entire population.? You may gather data though experimentation or you may use published data.Project Requirements? Project Introduction/SummaryYou are to write 1-2 page report to include the following:? An introduction which includes:? The question you want to answer? What information you analyzed and where it came from? What analysis of the data you have done? The answer to the question you posed? A complete description of the data to include the description and interpretation of:? The three foremost measures of central tendency? Variation in the data, including range, quartiles, interquartile range,standard deviation and variance.? The shape of the data (symmetry and skewness)? A comparison of the data with what is predicted by the Empirical (normal)rule and the Chebyshev rule. You should conclude as to whether or not theresults you got are what you expected and why or why not.? A summary and conclusion that ties back to the introduction. You shouldspecify which parts of your analysis support the answer to the question youposed in the introduction.? Required Supporting documentation? Appendix I: A photocopy of original data? Appendix II: A frequency distribution table and histogram (FROM EXCEL)? Appendix III: A table with the mathematical measures of central tendency andvariation (DESCRIPTIVE STATISTICS SUMMARY FROM EXCEL)? Appendix IV: A chart comparing expected and actual results when applyingthe Empirical (normal) rule and the Chebyshev ruleThe report should be typed using a word processor (single spaced, 12pt font). All calculations and graphs should be prepared using Excel.
Explain the assumptions underlying the two-sample test of means.When can one assume normality for two proportions?
Hypothesis test in the research hypothesis is specific about the difference but with no direction specified for the difference is a (n)?
What are the possible values of this random variable and draw the density function.
A large disaster cleaning company estimates that 30% of the jobs it bids on are finished within the bid time. Looking at a random sample of 8 jobs that it has contracted: calculate the mean number of jobs completed within the bid time. Find the proba..
What is the critical path and project completion time for the budgeting process and what is the cost to complete the project based on the Normal Times?
Way around B&W plots
Professional presentation style
"Range of optimality" describes the impact of simultaneous changes in objective function values and right-hand-side values.
Describes a positive linear relationship between X and Y
Problem 1. An internet service provider (ISP) provides internet connections to 100,000 customers. 10,000 of the customers have high-speed connections and 90,000 of the customers have low-speed connections. The ISP wants to know whether, on the ..
Brief literature review of factors influencing sales - investigate the relationship between advertising expenditure and sales.
Calculate the percentage of variance explained for r = 0.53. Is this correlation clinically important and what is the r value listed for the relationship between variables 4 and 9?
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