The SAT scores (X) are normally distributed with mean 135 and standard deviation 26. If 12 SAT scores are randomly selected, What are the mean and standard error for the sampling distribution of sample mean?

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A:

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Q: Assuming that the sample statistics are n=36, mean = 18.1 and s=5.9. Then, the resulting 95%…

A: sample size(n)=36Mean(x)=18.1standard deviation(s)=5.9confidence level=95%

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A: Here, benefits of using simple random sampling.

Q: Treatment A B C Response 7.72 9.79 10.23 9.96 9.87 9.77 10.11 9.78 10.96 9.66 8.95 8.67 8.59 8.28…

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

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Q: What was the mean score?

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Q: Assuming that the sample statistics are n-36, mean = 24.7 and s=19.8. Then, the resulting 99%…

A: sample size(n)=36Mean(x)=24.7standard deviation(s)=19.8confidence level=99%

Q: 15. A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of…

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Q: UNGROUPED DATA Get the difference of score and the mean Square the difference of the score and mean.…

A: x 16 25 21 15 18 19 25 16 20 25 21 18

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A: n=285y¯=78.2333s=4.9460

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A: n=9, k=3

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