A sample of n = 4 scores has SS = 60. What is the variance for this sample?

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Q: 1. A researcher uses a sample of n = 25 individuals to evaluate the effect of a treatment. The…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

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Q: 2.058

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Q: 4. A pharmaceutical scientist has developed a drug that is expected to reduce hunger. To test the…

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A: Givensample size(n)=4variance(s2)=64

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A: Given Information:  Sample size (n) = 103  Hypothesis: Ho: u = 22  p-value = 0.04

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A: We have to test that B have lower variance than A ,we will use F test for variance

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Q: Suppose you are conducting an experiment, and you have 8 different treatments you are testing on lab…

A: Correct option is Conduct a Kruskal-Wallis test.

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A: The degrees of freedom is, df=n-2   =22-2   =20

Q: Hello. I appreciate any help. Thanks.

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.