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Complete the problems below and submit your work in an Excel document. Be sure to show all of your work and clearly label all calculations. All statistical calculations will use the Employee Salary Data Set.
1. Based on the sample data, can the average(mean) salary in the population be the same for each of the grade levels? (Assume equal variance, and use the Analysis Toolpak or the StatPlus:mac LE software function ANOVA.) Set up the input table/range to use as follows: Put all of the salary values for each grade under the appropriate grade label.Be sure to include the null and alternate hypothesis along with the statistical test and result.
2. The table and analysis below demonstrate a 2-way ANOVA with replication. Please interpret the results.
3. Using our sample results, can we say that the compa values in the population are equal by grade and/or gender, and are independent of each factor?
4. Pick any other variable you are interested in and do a simple 2-way ANOVA without replication. Why did you pick this variable and what do the results show?
5. Using the results for this week, What are your conclusions about gender equal pay for equal work at this point?
Use the hyper geometric formula to find the probability of matching all 5 winning numbers. The lottery commission also pays if a contestant matches 3 or 4 of the 5 winning numbers. Hint: Divide the 32 numbers into two groups, winning numbers and non ..
A fair die is thrown 10 times. What is the probability of getting 6 in 4 throws?
Identify two or three items from your review that are the most interesting to you, list them and sketch out why in preparation for producing your assignment submission.
E-education If capital markets are truly efficient, then the sale or purchase of any security at the prevailing market price is generally a zero-NPV transaction. Are you familiar with any transactions that do not follow this principle? If so, what ar..
1). Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States as early as 1850, but the domestic coal chemicals industry did not develop until World War I. A modern coal - for - re..
Explain how and why you are using eight variables instead of the original number of 25. I gave the reasons and method adopted in one of the feedbacks.
An investor has the following investment portfolio Z = a1X + a2 Y with a1 + a2 = 1. Where X and Y are random rate of returns of assets X and Y respectively and μx= μy = μ, σx = σy = σ. Assuming that these random variables are not independent find the..
Starting with these three random numbers and moving down the five leftmost columns of Table 7.1(a) to find more five-digit random numbers.
1. eithernbsp find a newspaper tv radio or web article that reports some scientific study or statistical analysis of
17). A study was conducted to determine whether big-city and small town dwellers differed in their helpfulness to strangers. In this study, the investigators rang the doorbellsof strangers in living in Newyork city or small towns in the vicini..
A fast-food chain randomly attaches coupons for prizes to the packages used to serve french fries. Most of the coupons say "Play again," but a few are winners. Of the coupons, 52 percent pay nothing, with the rest evenly divided between "Win a free o..
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