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For each of the following, identify the independent variable(s), dependent variable(s), and the level of measurement (nominal, ordinal, scale).
a. The number of loads of laundry washed per month was tracked for women and men living in college dorms.
b. A researcher interested in people's need to maintain social image collected data on the number of miles on someone's car and his/her rank for "need for approval" out of the 1 83 people studied.
c. A professor of social science was interested in whether involvement in campus life is significantly impacted by whether a student lives on or off campus. Thirty-seven students living on campus and 37 students living off campus were asked whether they were an active member of a club.
Does the coin flipping process you just completed illustrate the Law of Large Numbers? Why or why not?
What is the correlation coefficient and do the data provide sufficient evidence to conclude that the number of years of study and test score are linearly positively correlated? Use α = 0.01
What test or tests would you use to rule out chance from causing the apparent differences in these data and is there a significant correlation?
Generate syntax and output files in SPSS. You will need to copy and paste these into your Application document. Use one kind of chart (any kind) to describe the data
Using the data on the growth rate of Money and inflation, run a regression of the rate of inflation on the rate of growth of the money supply
What is the latest possible time that Activity E can be started without delaying the completion of the project and what is the latest time that activity B can start without delaying the project
Explain the methodology you will use to answer the question you posed. Your explanation should include answers to the questions - What is the variable of interest?
The expected value is within one standard deviation of themean(so you must calculate both the standard deviation and expected value for your game).
How many turnstiles must be opened in each direction every morning and describe the suppositions underlying the solution of this problem by using queuing theory.
Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.
Calculate mortgage rates, production lot size, forecast the demand for the products, track epidemics and their spread, help solve crimes, even help estimate tax revenues.
Use these data to test the null hypothesis of no difference in the use of sick days between younger and older adults - What do your results indicate
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