There are two samples with means 15 and 17. Both of those samples consist of 24 observations. Sample variances are equal to 4 in both cases. If you want to test whether the difference between the mean in the first and the mean in the second population is equal to 0, what is your decision at the .01 level? EMAN

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A: Given data, n=16Mean μ=25Variance σ2=64standard deviation is σ=8

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A: which of the following samples wouldhave the largest standard error

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Q: An analysis of variance produces SSb = 30, SSw = 60, F-ratio with df = 2, 15.      For this…

A: From the provided information, SSb = 30 and SSw = 60 Degree of freedom (k - 1) = 2 And (n - k) = 15

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Q: A sample of n = 9 scores has SS = 200. What is the variance for this sample?

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Q: A sample of n = 26 scores has SS = 125. What is the variance for this sample ?

A: According to the given information, we have SS = 125 n = 26

Q: A sample of n = 4 scores was collected from a population with unknown parameters. Scores: 1, 4, 6,…

A: Given that  Sample size (n) = 4 Sample scores = 1 , 4 , 6 , 1 Sum of scores = 1+4+6+1 = 12   We know…

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A: For the given data Range = Maximum - Minimum = 4 - 2 = 2 Mean = (sum of all observations)/ (total…

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A: Given information Sample Data M1 = 10      M2 = 15 SS1 = 90    SS2 = 70 SSWithin is given by…

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A: μ=80, n=20, x̄=91, S2=441

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Q: 3. For a normal population with a mean of 20 and a variance IU, None of the other 0.25 0.50 0.35

A: Answer: 3- Given a normal population with mean μ  = 20  and variance σ2  = 10                   Find…

Q: 6. One sample of fifteen observations has x₁ = 82 and s₁ = 5. A second sample of ten observations…

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A: Given : S12 = 9 S22 = 6

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A: x x2 1 1 2 4 2 4 2 4 3 9 2 4 4 16 2 4 2 4 2 4 2 4 3 9 1 1 2 4 2 4 2…

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A: Given Sample Data M1 = 15                        M2 = 25 SS1 = 90                       SS2 = 70

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A: Solution To test the equality of means the F test is used .

Q: If the standard deviation is 9, then what is the variance? 3.

A: Variance is square root of standard deviation

Q: If an analysis of variance is used for the following data, what would be the effect of changing the…

A: Since, SSwithin = SS1 + SS2 Therefore, SSwithin will decrease if SS1 decreases. If SS1 changes 90 to…

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Q: Two accounting professors decided to compare the variance of their grading procedures. To accomplish…

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Q: = 8 and

A: Here it is given that - n=4 ∑X=8 ∑X2 = 40

Q: sample with SS=30 and a variance of s2 =10 has n=4 scores. True or False?

A: Given that  Sum of squares (SS) = 30 Variance ( s2) = 10 Sample size (n) = 4   We know that…

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