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Using all four demographic reports: (Overview, Trend, Employment, and Population Detail) for zip code 60614, choose four variables (including at least one from each report) and explain how you would collapse the categories and why.
Is global F ratio significant? Identify this F ratio, and describe whether it is important.Is coefficient for X1 (productivity) significant? How do you know? Mention its t value and accompanying P-value.
Two popular drugs used for the treatment of depression are Resithan and Exemor. A random sample of 588 depressed individuals is selected and treated with Resithan, and 201 find relief from their depression.
Also use the regression model to predict a student's average if he/she misses 4 classes.
Given that the mean of all 102 atomic numbers is 51.794, and the population standard deviation is 29.804, what is the probability that the mean of the 40 atomic numbers selected by the student will be at least 57.3?
a particular salad contains 4 units of vitamin a 5 units of vitamin b-complex and 2 mg of fat per serving. a nutritious
Independently of all the others. The system is operational if no two adjacent lamps fail. Obtain an expression for system reliability.
An advertising agency has been hired by a manufacturer of pens to develop an aqdvertising campaign for the upcoming holiday season. To prepare for this project, the research director decides to initiate a study of the effect of advertising on pro..
Use q23data.dta.What is the relationship between the hours a person works and the hours his or her spouse works?Do this for women and for men separately.Compute the correlation, the regression results, and the scattergrams.
For given population of high school seniors, the schoolastic aptitude test (SAT) in mathemathics has mean score of 500 with the standard deviation of 100.
Find the best point estimate of the mean salary of all NCAA football coaches.
Company have MBA degrees. Also, 64 percent of the managers have MBA degrees. Using the probability formulas, find the proportion of employees who either have MBAs or are managers.
Suppose the weights of full boxes of a certain kind of cereal are normally distributed with a population standard deviation of 0.29 ounces.
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