Consider the following incomplete ANOVA table: Source Between Within Degrees of freedom Sum of Dquares Mean square 4 413 В 60 A Total 1487 Calculate the four missing values A, B, C and D in the table above. Round off all intermediate and final calculations to 2 decimal places.
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- In a between-subjects, two-way ANOVA, MSRows = 1,171.45, MSColumns = 852.13, and MSWithin = 512.88. What is FRows?In order to compare the life expectancies of three different brands of tires, 5 tires of each brand were randomly selected and were subjected to standard wear-testing procedures. Information regarding the three brands is shown below. Stone Bridge Michelle Nice Year Mean mileage (in 1000 miles) 42 46 41 Sample variance 3 2 5 Sample Size 5 5 5 Use the above data and test to see if the mean mileage for all three brands of tires is the same. Let α = .05. Complete the ANOVA table and show the details of calculation. a) State the null and alaternative hypotheses to be tested. b) Complete the table. The null hypothesis is to be tested at 95% confidence. You need to show all calculations. What do you conclude? Source of variation SS df MS F F critcal value Between Treatment SSTR= MSTR= Within Treatment SSE= MSE= Total SST=Your company has a contract to perform preventive maintenance onthousands of air-conditioning units in a large city. Based on service recordsfrom the past year, the time (in hours) that a technician requires to completethe work follows a strongly right-skewed distribution with µ = 1 hour and σ =1.5 hours. As a promotion, your company will provide service to a randomsample of 70 air-conditioning units free of charge what is the population mean
- Sandra's marketing firm randomly selects 2500 adults living in the tri-state area, and asks each of them whether they percieve the new advertising campaign favorably or unfavorably. Of those sampled, 1272 responsed favorably. Do the sample data indicate signifcant evidence that the majority of all adults living in the tri-state area view the advertising campaign favorably? Test this claim at the 0.05 significance level.The CEO of a large electric utility claims that 80 percent of his 1,000,000 customers are very satisfied with the service they receive. To test this claim, the local newspaper surveyed 100 customers, using simple random sampling. Among the sampled customers, 73 percent say they are very satisfied. Based on these findings, can we reject the CEO's hypothesis that 80% of the customers are very satisfied? Use a 0.05 level of significance.A high school principal wanted to know if there was a difference in absences for 9th grade, 10th grade, 11th grade, or 12th grade among students with less than a 2.0 GPA. She took a random sample of n = 5 students from each grade and compared absences among the four grades using ANOVA. The data are below: 9th grade 10th grade 11th grade 12th grade 6 9 6 7 7 10 12 11 11 14 17 8 11 14 15 15 16 12 12 12 1)Calculate the Sum of Squares total (SStot) 2) Calculate the Sum of Squares Between Groups (SSBG) 3) Calculate Sum of Squares Within Groups (SSWG) Please show work and not excel-Need help understanding and breaking it down
