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##### Equal Pay assignment

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Question;The excel assignment is found under the week 3 tab: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.Week 3 Testing multiple means with ANOVA For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use.05 for your significance level in making your decisions. For full credit, you need to also show the statistical outcomes - either the Excel test result or the calculations you performed. 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 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 incllude the null and alternate hypothesis along with the statistical test and result. A B C D E F Note: Assume equal variances for all grades. 2. The table and analysis below demonstrate a 2-way ANOVA with replication. Please interpret the results. Grade Gender A B C D E F M 24 27 40 47 56 76 The salary values were randomly picked for each cell. 25 28 47 49 66 77 F 22 34 41 50 65 75 24 36 42 57 69 77 Ho: Average salaries are equal for all grades Ha: Average salaries are not equal for all grades Ho: Average salaries by gender are equal Ha: Average salaries by gender are not equal Ho: Interaction is not significant Ha: Interaction is significant Perform analysis: Anova: Two-Factor With Replication SUMMARY A B C D E F Total M Count 2 2 2 2 2 2 12 Sum 49 55 87 96 122 153 562 Average 24.5 27.5 43.5 48 61 76.5 46.83333333 Variance 0.5 0.5 24.5 2 50 0.5 364.5151515 F Count 2 2 2 2 2 2 12 Sum 46 70 83 107 134 152 592 Average 23 35 41.5 53.5 67 76 49.33333333 Variance 2 2 0.5 24.5 8 2 367.3333333 Total Count 4 4 4 4 4 4 Sum 95 125 170 203 256 305 Average 23.75 31.25 42.5 50.75 64 76.25 Variance 1.583333333 19.58333333 9.666666667 18.91666667 31.33333333 0.916666667 ANOVA Source of Variation SS df MS F P-value F crit Sample 37.5 1 37.5 3.846153846 0.073483337 4.747225347 Columns 7841.833333 5 1568.366667 160.8581197 1.45206E-10 3.105875239 Note: a number with an E after it (E9 or E-6, for example) Interaction 91.5 5 18.3 1.876923077 0.172308261 3.105875239 means we move the decimal point that number of places. Within 117 12 9.75 For example, 1.2E4 becomes 12000, while 4.56E-5 becomes 0.0000456 Total 8087.833333 23 Do we reject or not reject each of the null hypotheses? What do your conclusions mean about the population values being tested? Interpretation: 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? Grade Be sure to include the null and alternate hypothesis along with the statistical test and result. Gender A B C D E F Conduct and show the results of a 2-way ANOVA with replication using the completed table above. The results should look something like those in question 2. Interpret the results. Are the average compas for each gender (listed as sample) equal? For each grade? Do grade and gender interaction impact compa values?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? Variable name: Be sure to include the null and alternate hypothesis along with the statistical test and result. Gender A B C D E F M Hint: use mean values in the boxes. F 5. Using the results for this week, What are your conclusions about gender equal pay for equal work at this point?

Paper#62283 | Written in 18-Jul-2015

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