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The assignment is to analyze the data set and identify the company's problem . unbelievably strong hint - its job profitability varies by way too much for the company president's comfort. After you have verified (quantified) this, you must identify the reason why and make a recommendation supported by data analysis to reduce this variability meaningfully. Remember to provide the client with an appropriate tool to facilitate implementation of your recommendation.
Data analysis must be completed using a statistical software package - either Statistix for Windows, with the MegaStat add in, SPSS, SAS, R or any other legitimate software package.
Assignment must include a technical appendix that includes all data, calculations, tables, graphs, and other analyses completed so that an independent researcher could reproduce your work. You must be certain to include all interpretations of these analyses and all conclusions made based on these analyses.
A standard deviation of 12. If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class?
What are the input and the output of linear regression, and what does the coefficient of determination measure and what is the purpose of measuring correlation?
If a six appears for the third time, the turn of the player ends without moving the token. Determine the sample space of one such throw and determine the probability for each event.
If you buy a box of Wisk, the probability of getting a scoop is 97%. If you buy 9 boxes over the next several months, what is the probability of missing two scoops?
It's estimated that 57% of Americans live in households with 1 or 2 people, 32% live in households with 3 or 4 people and 11% live in households with 5 or more.
In a study , the average age of the male candidates who were affected , was 38.20 whereas the average age of the female subjects was calculated to 34.976 with the standard deviation of 156.91 and 116.16 respectively
Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The primary outcome is peak expiratory flow rate, a continuous variable measured in liters per minute. The primary outcome will..
Give null and alternative hypotheses for this test in symbolic form.
A researcher expects the population proportion of the Cubs Fans in Chicago to be 80%. Error of less than 5% confident of an estimate to be made from a mail survey. What is the sample size required?
Using the value in the given data table finding the missing values
A bag contains 5 blue balls and 8 purple balls. If 3 balls are chosen randomly and without replacement, form the bag. Let x be the number of blue balls obtained. Then x has a distribution.
There are 72 data values altogether. The degrees of freedom for the Between(dfB) and the degrees of freedom for the With-in (dfW) are?
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