Please answer the following: Thank you.  A study was conducted on levels of PBC in soil samples in both rural and urban areas with the following results in PPM units: Rural: 3.5  1.0  1.6. 12.0  8.1  5.3  23.0  8.2  1.8  9.8  1.5  9.7  9.0 Urban: 24.0  11.0  107.0  18.0  29.0  49.0  94.0  12.0  16.0  22.0  141.0  18.0  21.0  13.0  11.0.  Construct two boxplots, one for rural and one for urban. Write a paragraph comparing the two distributions.

Q: For each mortality assumption, calculate 50p20: a) De Moivre with parameters w = 100. b) Gompertz,…

A: For each of the given distributions,  has to be calculated with mortality assumption.

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Q: What is the shape of this samplingdistribution of the sample mean? Why? 2. What is the mean of this…

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A: Sample size n=24Sample mean=65.7Standard deviation=21.8

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A:

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A: Margin of error(E)=0.015Assume sample proportion()=0.5

Q: 3) A researcher records the following scores on a working memory quiz for two samples. Which sample…

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Q: (b) If a team is selected at random, find the probability the team scored between 40 and 49…

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A: The probability describes how likely an event occurs.

Q: The confidence interval ______ be used to estimate the mean weight of all 1 year old babies , should…

A: The sample mean is 25.5 and the population standard deviation is 5.2.

Q: A normal distribution has a mean of 3.7 and a standard deviation of 2.3. What is the median?

A: From the provided information,

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A: f(x)=18(4−x); 0< x< 4

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A: Mean=40

Q: 1. Of all freshman at a Snow college, 16% made the dean's list in the current year. As part of a…

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A: Mean()=136standard deviation()=1.2

Q: (c) Would it be unusual if 75 of the 150 adults surveyed believe that the overall state of moral…

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Q: SAMPLING VS. RELIABILITY: "The larger the sample,the more reliable the results." Do you agree or…

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Q: Calculate the % relative standard deviation of three sample preprations if the calculated%…

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Q: 4) 99.7% of the data in a sample was located between the scores 4 and 22. What is the mean and SD…

A: 99.7% of the data in a sample was located between the scores 4 and 22.

Q: The average score of all golfers for a particular course has a mean of 70 and a standard deviation…

A: μ=70,σ=4.5,n=81

Q: tests performed on a sample of 100 batteries indicated: (1) an average life of 75 months, (2) a…

A: It is given that Mean, μ = 75Standard deviation, σ = 5

Q: Find μl, o², and σ. (Round your standard deviation to two decimal places.) μl = 2.3 0² = p(x) 0.25…

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Q: Determine if the following probability experiment represents a binomial experiment. If not, explain…

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Q: minimum value = 25 maximum value= 90 1st quartile Q₁ = 25 2nd quartile Q₂ = 50 3rd quartile Q3 = 75

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Q: 2. Using the linear model of y = Bo + B12 +, a researcher calculated the hat-matrix H and the…

A:

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Q: The following line chart shows the daily close prices for Citigroup and Overstock.com stock prices…

A:

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Q: (b) What is the probability that a randomly selected individual is less likely to buy a product…

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A: The events are  and .

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A: Hello! Since you have posted 2 different questions, we are answering the first questions. If case…

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Q: Suppose that the fractional part S = T - K, with curtate lifetime K = [7], of lifetime T is assumed…

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Q: According to a study done by Nick Wilson of Otago University Wellington, the probability a randomly…

A: