K Find the z-scores that separate the middle 15% of the distribution from the area in the tails of the standard normal distribution The z-scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) W CIL

Q: Prove that the sum of deviations from mean is zero.

A: We need to prove the sum of deviations from mean is zero. To prove ∑i=1nxi-x¯=0 .

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Q: Q. 14 What is the difference between sample mean and population mean?

A:

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Q: Q. 20 What do you understand by progressive average?

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Q: What is the confidence interval estimate of the population mean μ​?

A: From given data we have ; 0.56, 0.69, 0.10, 0.95, 1.24 , 0.54 , 0.84

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Q: SS1=100 df1=4 SS2=196 df2=4 What is the pooled standard deviation?

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Q: K Find the res that Click the icon to view a table of areas under the normal curve. The Z-scores are…

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Q: Since an instant replay system for tennis was introduced at a major tournament, men challenged 1438…

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A: n1=213x1=91n2=120x2=67α=1-0.90=0.10

Q: the easiest way in Excel?

A: x 23 29 24 20 27 25 26 28

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Q: (a) The area to the right of Z=0.99 is (Round to four decimal places as needed.).

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Q: 11. Suppose X and Y are random variables, c and d are constants. What is E(CX - DY)? OA. E(X) - E(Y)…

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Q: he mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally distributed…

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