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Assistance determining the X and Y variables. The questions states "Suppose you are interested in understanding how an employees demographic characteristics, beginning salary, and time at the bank and in the work force are related to current salary. Start by producing scatterplots of salbeg, sex, time, age, edlevel, and work with salnow. Add a fit line to each plot. Check on the variable labels for time and work so you understand what these variables are measuring. Is sanlnow the X or Y variable?
What kind of sampling have you done (simple random sampling, stratified sampling, systematic sampling or cluster sampling)?
Data Steward and your employer has asked you to teach others in the organization about your role and responsibilities. Prepare a PowerPoint slideshow
Three times each year, the procurement manager at Phoenix contacts National\'s marketing department to place a monthly order for each of the coming four months.
Find the optimal order quantity and what is the optimal total ordering cost per year vs. what is that cost with the current policy?
The customers of a newspaper salesperson arrive according to a Poisson process with rate λ = 2 per minute. Calculate the probability that at least one customer will arrive in the interval (to, to + 2], given that there has been exactly one custome..
List all outcomes corresponding to the five smallest possible values of Y, and state which Y value is associated with each one.
using one mean t test to determine whether or not to support the claim.the t-test ia another hypothesis test that works
Should demand characteristics be eliminated or strengthened in an experiment? Explain.- How do researchers detect and eliminate placebo effects?
By letting the period be one month, one has D = 100, Cu = 2.5, Ch= 0.50, Cr = 3.50, Cs= 0.20 and L = 0.75. What is the optimal inventory policy and the total cost of the system under the optimal policy?
What are the four basic goals of behavioral research?- Distinguish between basic and applied research. In what ways are basic and applied research interdependent?
ESP. People who claim to "have ESP" participate in a screening test in which they have to guess which of several images someone is thinking of.
Differentiate between sampling error and nonsampling error.- Provide a real or hypothetical example of a situation in which the sampling process is destructive.
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