Questions 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 10 17 15 9. 12 8. 16 11 11 12 11 14 12 7 14 15 12 2. Calculate the degrees of freedom Between Groups (dfsG) 3. Calculate the degrees of freedom Within Group (dfwa) 4. Calculate the Sum of Squares total (SStot) 6 679

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Q: A high school principal wanted to know if there was a difference in absences for 9th grade, 10th…

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A: List of formulae :  Sum of squares of X :  SSx = ∑x2-∑x2n Sum of squares of Y :  SSy = ∑y2-∑y2n Sum…

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Q: Personal Type of Gasoline Income Extra Regular Premium Premium Less than $50,000 80 30 30 $50,000 or…

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Q: The data below are concerning the concentration of thiol in the blood lysate. 1.84 1.92 1.94 1.92…

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Q: ou wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

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Q: 0.0027124;  ΣX2 =0.1215623; ΣX = 1.8349077; ΣY = 0.235; β^2 = -0.0297; B^1 = 0.0034  Statement of…

A: L

Q: In a One-Sample Chi-Square Test (Goodness of Fit Test) you have both an independent and a dependent…

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Q: 1- Lei X1,

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Q: If we have a dummy variable with 15 levels, we need to add 15 variables into a linear/ logistic…

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Q: The cost formula to estimate maintenance cost would be

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Q: (a) How do z scores relate to the normal curve? (b) How would you interpret a z score of –3.0? (c)…

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Q: 1. As of August 12, 2021, these are the countries with confirmed COVID-19 cases ranging from one to…

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A: Please find the explanation below. Thank you