Ifa sample size 5 is drawn from a population of 55, determine the variance of the sample means if the population variance is equal to 677 a. 21.4 b. 12.4 c.55.4 d. 18.5

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A: The population consists of N = 5 numbers.

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A: Given: X : Number of customers λ=6.5

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A: Given data is131.15,130.69,130.91,129.54,129.64,128.7,130.72,128.33,128.24,129.65,130.14,129.29,128....

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A: Here, we have to consider college students as an observational unit.

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Q: Illustration 13.1. Construct index numbers of prices from the following data using (a) Laspeyre's (b...

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A: Given,confidence interval(CI)=3.0  ,   4.4

Q: b) The following data shows the number of hours slept by a patient in 1 weeks 12 18 09 16 11 10 08 i...

A: Given data is ,12, 18, 9, 16, 11, 10, 8sample size(n)=7

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

A: We have given that,  Mean of x (x̄) = 2.882, standard deviation = 1.634 and mean of y (ȳ) = 2.588 , ...

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A: Using minitab we find the solution. N = 300 and X = 240 P = X/N = 240/300 P = 0.8

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A: GivenTotal no. of cards = 52Total no.of face cards in deck = 12    (i.e., J,Q,K)

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A: Given The data is as follows: Pop mean, μ=0.4Pop sd, σ=0.007Sample size, n=21Sample sd, s=0.0048α=0....

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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: ean and standard deviation are given below. Find the required probability and determine whether the ...

A: We have given that.   X~N( μ , ?^2 )   μ=217 , ?=5.6   , n= 65   Z-score =( x - μ )/?

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

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Q: Let Y be a random variable with mean zero and variance o². What do we know about the quantity 1 (Yi ...

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Q: uppose the returns on a particular asset are normally distributed. Also suppose the asset had an ave...

A: Given The data is as follows: Mean, μ=12.4%SD, σ=28.6%

Q: II wu.aleks.com A Students Home 6McGraw Hill Campus A ALEKS-Anna Bergstr... Untitled O CONFIDENCE IN...

A: Given The data is as follows: Sample size, n=22Sample mean, x¯=5.88Sample sd, s=0.24α=0.10

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Q: Let S={1,2,3,...,18,19,20}S={1,2,3,...,18,19,20} be the universal set. Let sets A and B be subsets ...

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Q: 1800 candidates appeared for an examination, 450 were successful, 340 had attended a coaching class ...

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A: GIvenn=147p=0.18

Q: Compute coefficient of quartile deviation from the following data : Marks 10 20 30 40 50 60 No. of S...

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