The regression lines between two random variables X and Y is given by 3X + Y = 10 and3X + 4Y = 12 .Find the correlation between X and Y.

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A: The sample size is 23, sample standard deviation is 5.37% and population standard deviation is 6%.

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A: given data n = 142x¯ =70.4s = 10.6claim : μ =69

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A: Given λ=6, μ=10

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A: Given: μ = 38 σ = 5 n = 10 X = 35 Formula Used: Z = X-μσn

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A: given data normal distribution μ = 200σ = 100

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A: Given Hypothesis Ho: μ=50  Vs  H1: μ ≠50

Q: 1. If X and Y are random variables, find E[YE(XY=y)].

A:

Q: 2. Explains the meaning of the statement of the following equation (image and explanation)

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A: given data, n=5818x=163p^=xn=1635818=0.0280α=0.10claim:p=0.03

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Q: When is a variable in a regression statistically significant? 1   When p is more than alpha. 2…

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Q: Find E(X^2) when random variable X has normal distribution with mean(µ) = 7 and standard deviation

A: Given information: mean(µ) = 7 and standard deviation(σ) = 4. That is, μ=EX=7σ=4⇒σ2=42=16

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Q: $(zo) is equal to 1-B O P(Z < Zo) 0 1-a Zo

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Q: Automobiles Purchased An automobile owner found that 20 years ago, 76% of Americans said that they…

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Q: (a) Σ Ixi-yil m (b) (m) (c) π 3 yi уі

A: a) The calculations are made in the following table x y x-y |x-y| 3 -10 13 13 -2 3 -5 5 5 4…

Q: May I know the Q5 and the process

A: Solution-: Given data: 55,46,63,57,61,65,96,55,74,32,67,59 We want to find, (a) Mode=? (b) Give the…

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Q: Lucy recently switched her primary doctor to one specializing in caring for elderly patients. On her…

A: given data,claim:n=19X¯=132S=24α=0.05claim:μ&gt;120

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A: Given that, The data is given as: Non-smokers Smokers 0.97 0.88 0.72 0.71 1 0.98…

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Q: FAIL? = 0.63 – 0.01*LOAN – 0.08*GIG? + 0.05*COMP Answer the following: Determine the predicted value…

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A: The table has various variables of a Logistic regression model. We are interested in the variable…

Q: Assume that the random variable X is normally distributed, with mean μ = 50 and standard deviation…

A: Solution-: Given: μ=50,σ=10 Let, X= be the random variable ∴X→ N(μ=50,σ2=102) We want to find…

Q: Recreational Time A researcher wishes to see if there is a difference between the mean number of…

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Q: EFIXS n Proctored Nonproctored H₁ H₂ 34 30 85.76 18.67 78.65 11.95

A: Test statistic t for testing the difference of means is given by,  t=…