Find the standard deviation if the mean = 2, mode = 5, variance = 56 . Round your answer to three decimal places.
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A: Given information Mean µ = 25 pounds Standard deviation σ = 3 pounds Z = -2
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A: A couple plans to have 14 children. Assume that girl and boy births are equally likely.
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Q: How does the curve change when the standard deviation is the same and the mean changes?
A: The mean is the center of symmetry of a curve or normal density curve.
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A: given data, μ=54.5σ=3.1Omar scores exactly 0.75 standard deviations above the mean z=0.75raw score…
Q: In an administration to 2000 student the average score is 65 and the standard deviation is 25.…
A: Given in an administration to 2000 student the average score is 65 and the standard deviation is 25.…
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Q: ou find the standard deviation in the most easiest way?
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A: Solution: The frequency distribution for the data is f Midpoint x xf 2 70.5 141 10 92.5 925…
Q: Write down the formulas for the standard deviation of x.
A: The formula for the sample standard deviation can be written as: Here, n is the sample size and x̅…
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A: Mean Formula The mean formula is defined as the sum of the observations divided by the total number…
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Q: The heights of adult women are normally distributed with a mean of 64.5 inches and a standard…
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A: Let X: Parking Ticket fines (Canadian $) The data is given as : X 30 15 40 40 40 30…
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Q: How standard deviation affects the power?
A: With increase in standard deviation, The observed point will be located far away from the mean.…
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Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…
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A: Given Mean μ=15, standard deviation σ=32 X=103
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A: Given,mean(μ)=100standard deviation(σ)=15
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A: Solution: Let X be the age of senator. From the given information,
Q: DECIMAL FORM: 15 17 18 19 20 21 22 23 24 P(X) 0.03 0.09 0.18 0.18 0.15 0.26 0.6 0.03 0.03
A: Formula used. E(x)= ∑x×p(x) E(x2 )=∑x2 ×p(x) Var(x)=E(x2 ) - [E(x)]2
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A: Given Mean(μ)=60standard deviation(σ)=15
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A: Given that Stanford-binet IQ test scores are normally distributed with a mean score of 100 and a…
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Q: A set of data has a normal distribution with a mean of 100 and a standard deviation of 15. Find the…
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Find the standard deviation if the
Round your answer to three decimal places.
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