Q. 20. Find out mode from the following : Values X: 10 12 15 20 25 30 35 Frequency : 2 7 8 10 15 11 7.

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A: Given the Experimental data as t ut yt 1 -1 0 2 -1 -0.4 3 -1 -0.69 4 -1 -1 5 1 -1.27 ...

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Q: Q. 18. Calculate mode from the following 15 observations : 5, 4, 8, 7, 12, 18, 17, 30, 8, 12, 20, 12...

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Q: Suppose E(X)=2, E(Y)=4, E(Z)=10. X, Y, Z are dependent. What is E(2X+3Y+Z)? Can not compute with giv...

A: Given,E(X)=2E(Y)=4E(Z)=10X,Y ,Z are dependent

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A: Given: Population mean, μ=73Population sd, σ=5.4

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Q: Problem 3: From an experiment in an industrial process the following data have been obtained (see ta...

A: Given the experimental data as t ut yt 1 -1 0 2 -1 -0.4 3 -1 -0.69 4 -1 -1 5 1 -1.27 ...

Q: Exercise 1,2. Below are the areas under the normal curve within the given interväls. shade the regio...

A: Given,P(0<Z<z)=0.4582

Q: Exercise 4.1. The average weekly income of 1,500 workers is PI,500 with a standafa N pesos. Assuming...

A: Given: μ=1500σ=80x~N(1500,802)

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Q: The following table gives indices of industrial production of registered Calculate the value of the ...

A: We have given that data. Formula used  coefficients of correlation. r= SSXY /sqrt( SSXY × SSYY)

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Q: mean of x = 2.882, standard deviation = 1.634  Mean of y = 2.588, standard deviation = 0.246 The c...

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Q: and sen) halsaf Show that for random samples of size n from an exponential population with the param...

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Q: When a production process is operating correctly, the number of units produced per hour a normal dis...

A: a) mean of the sample mean is always equal to population mean E(x¯) = 103.

Q: Suppose X~N (μ,σ') then X – H - - N (0, 1) o2 O True O False

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Q: EXample 4. An index is at 100 in 2001. It rises 5% in 2002, falls 6% in 2003, falls 5% in 2004, rise...

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Q: Question 2 Suppose you collect 1000 samples of size 82 from a population with parameter p= 0.113. If...

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Q: llustration The sales of a company for the last eight years are given as: Year: 1973 1974 1975 1976 ...

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Q: Suppose X = (X1, X2, . .. , Xk) ~ Multinomial(n, p) , with p = (p1, P2, ..., Pk), prove that Cov(X;,...

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Q: 8. Using Table A and the given Z scores, find the following probabilities: (a) P(Z < 1.46) (b) The p...

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Q: Suppose f (x) = 8x, 0 < x < 0.5 is a pdf. P(X=0.3)=? O 2.4/0.5 О 0.36 O 2.4

A: Result  If f(x) is the continuous distribution then  P(X=c)=0 

Q: The Table below shows the average score of the150 students sampled from the University of the East E...

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Q: The state of California has a mean annual rainfall of 22 inches, whereas the state of New York has a...

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Q: After rolling doubles on a pair of dice three times in a row, your friend exclaims, "I cannot get do...

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