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For the project you need to complete the following sections:Introduction: about the indices of your project.Variables: you need to define the dependent and independent variables, you must justify why your classifications.Data Profile: the Data Table should be included.Data Analysis:
(1) Descriptive Statistics, minimum, maximum, mean and standard deviation(2) The Scatter Plot, and the correlation coefficient(3) Inferential statistics including the following(a) Regression equation ( to test a hypotheses: there is no effect on index.a on index.b)(b) two simple z hypotheses on the two variables: to test a hypothesis : there is no statistical evidence that the average is differ from 6.End your project with a concluding remark sectionAnd add the related references
Briefly discuss the concept of mode, mean, median. What is it? How is it calculated? When would we use each one? Find the median birth weight in grams. Provide an interpretation of your results
You took a sample of your expenses for 20 weeks and found that the average is $285 and the standard deviation for the sample is $25. Set up your null and alternative hypothesis for testing whether your cists are different and do the analysis using..
let xt 1e t- 0.5et-1 t 123.... where etlld02the variance of et is 2.a compute the mean of xtb compute the variance
the following data show the daily closing prices in dollars per share for a stock. period price 1 82.87 2 83.00 3
A large internet retailer is studying the lead time (elapsed time between the time when the order is placed and the time it is filed). The table below gives the lead times (in days) for a random sample of recent orders.
What item/s can be deleted to improve reliability, what items should never be deleted to maintain reliability of data and how many items need to be deleted to achieve maximum reliability
Your task is to interview a representative sample of attendees for the large concert venue where you work. The new season includes 200 live concerts featuring all types of musicians and musical groups.
The average fill volume from a random sample of 49 bottles of an energy drink is 32.8 ounces; the standard deviation among the individual fill volumes is3.5 ounces. Determine a 95 percent confidence interval for the mean fill weight.
If there are 12 business-class passengers and 50 tourist-class passengers on a particular flight, what are the expected value of total luggage weight and the standard deviation of the total luggage weight?
Stock increasing in price has no effect on the prices of other stocks. Assuming you are risk-averse and you could choose one of the two economies in which to invest, which one would you choose? Explain.
suppose that the hypotheses h0p.35 and hapgt.35 are to be tested. calculate the ovserved z-statistic for the sample
assume that for the following data massed practice distributed practice s1 6 s1 5 s2 4 s2 3 s3 3 s3 2 s4 5 s4 2 s5 2 s5
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