The following data represent the daily emission (in units of 10 kg) of a pollutant from an industrial plant. 8.5 12.4 7.5 13.6 10.3 9.6 8.2 7.9 6.4 7.8 8.0 10.1 9.3 Calculate the sample range, median value, and the first and third quartiles. Sketch the box plot for the data. Calculate the sample mean, standard deviation, and skewness. 2.

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A: We have given that  Probability distribution of discrete random variable.  Mean = E(x)= ∑x*P(x) NOTE...

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Q: A bag contains 7 red, 12 white and 4 green. balls. What is the probability that: (a) 3 balls drawn a...

A:   There are 7 red, 12 white and 4 green. Thus total number of balls is 23.

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Q: Suppose we executed the following R script: id <- 1:5 x <- c(3,2,1,4,5) y <- c(1,1,0,0,1) data <...

A: &gt; id &lt;- 1:5  &gt; x &lt;- c(3,2,1,4,5) &gt; y &lt;- c(1,1,0,0,1)  &gt; data &lt;- data.frame(i...

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A: Given data is 7,8,3,5,15,21,22,24,18,33,23,31,25,19,29,29,29,30,41,55

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Q: Fit the straight line trend to the following figures by the method of least squares: Year : 1975 197...

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A: The given data is ,  COVID is known to affect one in ten thousand people. i.e. probability of COVID ...

Q: b) Calculate the ste ady state probabilitýes der a transiton with the fallawing probabilities. (0.6 ...

A: (B) transition matrix

Q: Calculate the Arithmetic Mean and apply Charlier's check to test accuracy of your calculations: Age ...

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Q: In a class of 50 students, 10 have failed and their average of marks is 2 5. The total narks secured...

A: Given: total 50 students 10 failed students average of failed students is 2.5 total marks 281

Q: Random error causes data to be scattered more or less symmetrically around a mean value while system...

A: here use basic of error

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A: Summary of Statements: When y has a measurement error that is independent of x, the range of estimat...

Q: Find out the median of the following items 10, 8,.5, 13, 4, 9, 7

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Q: (i) How much would you expect the advertisements to cost per day? (ii) Calculate the standard deviat...

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Q: For a data set of the pulse rates for a sample of adult​ females, the lowest pulse rate is 31 beats ...

A: We have given that x̅ = 77 s = 18.4  

Q: Application Exercise: Dr. Black is interested in the preference for dog breeds among high school stu...

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Q: . How many 4 -digit numbers can be formed in 1, 2, 3, 4, 5, 6 and 7 if repetition is not allowed?   ...

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Q: We are interested in estimating the proportion of graduates at a mid-sized university who found a jo...

A: We have given that  Sample size n =430 Favorable cases x =340

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Q: Suppose that Jerry (a baker) wants to find a 95% Confidence Interval for the mean baking time for al...

A: We have given that,  Sample mean (x̄) = 16.4, standard deviation (s) = 2.2 and sample size (n) = 40 ...

Q: A population of values has a normal distribution with u = 190.9 and o = 93.5. You intend to draw a r...

A: We have given that.   X~N( μ , ?^2 )   μ= 190.9 , ? =93.5 , n=229   Z-score =( x - μ )/?

Q: The weight of miniature donkeys is normally distributed with a mean weight of 265 pounds and a stand...

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Q: We are interested in estimating the proportion of graduates at a mid-sized university who found a jo...

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A: Farmula used  Q1=first quartile and Q2=second quartile  IQR=Q3-Q1   

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A: Note: As per the student's request, answer has been provided for 2c. Consider a linear regression mo...

Q: FREQUENCY DISTRIBUTION TABLE: f 11 1 18 2 21 12 27 2 33 39 1 44 1 45 1 49 1 51 1 52 1 54 1 56 58 1 6...

A: Given: A frequency distribution table: Lower limit upper limit frequency 9.5 20.5 3 20.5 30.5...

Q: What does this information tell you about the variability of employees ages? make a conclusion.

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A: Let  X be the number of power failure  X~Pois(λ=3)  P(X=x) =e-λ λx/x! ; x=0,1,2, ...     

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Q: The owner of a gasoline station wants to study gasoline purchasing habits by motorists at his statio...

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Q: .9938 (d) P(0 < z < 1.5)

A: We have given that.   X~N( μ , ?^2 )   μ=0 , ? =1   , for standard normal.    Z-score =( x - μ )/?  

Q: Use MS Excel to make the scatterplots and to verify the determined least-squares line using its Tren...

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A: INTRODUCTION:  Probability density function: The probability density of continuous random is called ...

Q: In a class of 50 students, 10 have failed and their average of marks is 2 5. The total niarks secure...

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Q: Consider the experiment of t_wo dice are draw_n. Let  X be a random variable representing the differ...

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A: Given There are 5 children in a family.

Q: 1.How many respondents should be chosen from Luzon? A. 125 B. 150 C. 175 D. 200 2. What type of samp...

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Q: The normal curve below shows a distribution of heights of players on a baseball team that has a mean...

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Q: -Discuss in detail about "MARKOV'S PROCESS"

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A: Given data is Mean(μ)=8.1standard deviation(σ)=0.64sample size(n)=25