DA simple sample of heights of 6400 English men has a meal of 170cm and a S.D. of 6.4 cm, while a sample of 1600 Americans has a mean of 172 cm and a S.D. of 6.3 cm. Do the data indicate that Americans are, on average, taller than the Englishmen? nking strength of 10 pieces of a metal

Q: Find the raw score which corresponds to z=1.6?

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Q: H.w B From the lowing tuble, calculate the population mean Y, and the population variance o. Student…

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Q: the mean = 146, and s =  35 Question #3 A percentage of female students with scores between 41 and…

A: From the provided information, Mean (x̅) = 146 Standard deviation (s) = 35

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A: Average= Sum of observations/No.of observations

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: For a population with μ = 80 and σ = 10,what is the z-score corresponding to X = 95?

A: Given, μ=80σ=10x=95

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A: SP means the sum of products.

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Q: For an exam Scores normally distnouled M: 80, 0=5 as Mean Standard eor Por dismibuhion OP sample…

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A: Reviewing information, n=No. of vehicles= 30 Y : Gas mileage of cars in MPG Var(Y)= 39.28

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Q: Use the following scores to find the value of Ex= 3 4 2. 2.

A: Given: x 3 2 4 2

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A: Here, x x-x (x-x)2 600 206 42436 470 76 5776 170 -224 50176 430 36 1296 300 -94 8836…

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Q: Calculate the 25th percentile of the data shown x 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9 Can you…

A: The given data set: x 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9   Thus, the given…

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A: Given that, Gyuri performed an analysis of Simvastatin tablets and the following are the data she…

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A: The number of students who find SAS difficult to learn and who are somewhat proficient is 15.

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A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Given n=80,X=76.5,s=3.1.which of these is the point estimate of the population mean?

A: We have given that  n=80, x̅ =76.5, s=3.1

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A: HERE GIVEN , population standard deviation  = 6 ounces  confidence level = 98%  MOE  = 4

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Q: Find the coefficient of variation using the given information median nl 3.5 4 15

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A: Given Information Length of prison sentence:  6 6 2 12 36 48 60 24 24 20 18 15

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Q: Convert the following to T-score: c. Raw score of 96; mean of 45; SD of 21 d. Raw score of 55; mean…

A: formula for t-score is T = (X-u)/SD