18. Show that for type III population -,0Sx<00, p = 0, e" Tp dp : where p is known, is a maximum likelihood estimator of 0. Find its variance,

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A: Given, Population mean, μ= 168.67 cm Population standard deviation, σ = 8.67cm Sample size, n = 49…

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A: Solution: Here, it is to decide which method of regression should prefer.

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A: From the provided information, Sample size (n) = 10 Population mean (µ) = 120

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A:

Q: 3. The average consumption of rice that a rural male adult person in a year is 70 kilos. If 25 rural…

A: Given,sample size(n)=25mean(μ)=70standard deviation(σ)=112

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A: Given Data : For Sample 1 x̄1 = 16 σ1 = 2.5 n1 = 9 For Sample 2 x̄2 = 14…

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A:

Q: 3. Suppose that I survey 500 randomly selected US voters about whether or not they think Donald…

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Q: 2. Here is a chart of blood pressure (in millimetres of mercury, mmHg) for a group of students:

A: Given that

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A: Given information: 75.9%&lt;p&lt;93.7%

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Q: medicines and novelties were Dollar 6,25,000, dollar 2,20,000, dolar 1,88,000 and dollar. 94,000…

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A: From the given observations. The classes are 5 Then, observations are in ascending order,…

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A: Given that the lifetime in hours of certain component of a machine has the continuous probability…

Q: What do you think would be the greatest description of a best sample? Why? (Related to random…

A: Random Sampling: In this type of sampling, every unit has an equal probability of getting selected…

Q: Mean entry-level salaries for college graduates with mechanical engineering degrees and electrical…

A: Claim : the mean entry-level mechanical engineering salary is lower than the mean entry-level…

Q: A population of values has a normal distribution with μ=39.4μ=39.4 and σ=22.2σ=22.2. You intend to…

A:

Q: Q3/ The median for the frequency distribution is

A: The frequency distribution is Class frequency (f) cf 1-20 3 3 21-40 6 9 41-60 12 21 61-80…

Q: Question 7: An IQ test is administered. The test has a mean score of 100 and a standard deviation of…

A: Given that Mean=μ=100 Standard deviation=σ=15 Z-score=1.20 This distribution is normally…

Q: 9. In comparing the size of a quarter and a nickel, note chat the quarter is larger. Place a pencil…

A:

Q: For a normal distribution with a mean of μ = 90 and a standard deviation of σ = 5, what is p(X>87)?…

A: We have given the following information about the normal distribution Mean = 90 Standard deviation…

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A: The provided information is x^1=14, x^2=12σ1=0.5, σ2=1.2n1=10, n2=13α=0.05 a. The null and…

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Q: Which of these estimates in part c above is unbiased ? Give reasons for your answer f) identify an…

A: Given:

Q: The following is the data set for specific research regarding a certain product 15 19 14 20 13 23…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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A: The chemical pollutant in the Pasig river is constant with a mean of 34 parts per million. A group…

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A: Given information: The investigator is specially interested .

Q: 37 69 85 102 106 112 38 86 104 107 112 41 101 105 109 117 36 42 69 101 105 110 119 36 49 69 82 102…

A: 8)

Q: er than the mean age in the United States? Test at a 1% significance level. Solve the following…

A: Given Data : For Sample 1 x̄1 = 18 s1 = 6 n1 = 100 For Sample 2 x̄2 = 20…

Q: Let x1,X2,X3.X25 is a random sample from normal distribution with mean (M) ane variance ( 36 ) we…

A: Let the sample n =25 x1,x2,x3,...x25 are the random samples from a normal distribution  The null…

Q: The blood sugar levels of a person follows a normal curve with an average of 4.7mmol/L and a…

A: Solution: Let X be the blood sugar level. From the given information, X follows normal curve with an…

Q: A group of researchers wants to do a comparative study on auditory reaction time (ART) and visual…

A: T test are used to measure the mean significance between the sample and population. Some other…

Q: Consider the function f(x) = e , – 2 < a < 2. (a) Estimate the area under the graph of f using four…

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Q: Cal

A:

Q: Flexural strength is a measure of a material's ability to resist failure in bending. The…

A: " Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

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A: Given information: The information about music for plants is given.

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A: For the given data Draw a histogram and calculate the modal class

Q: what is the critical F value?

A: Anova is used to test the mean significance between more than three groups. It use F test to make…

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Q: Direction: Compute and Illustrate the distribution of the mean. 2. The number of hours spent playing…

A: Given,sample size(n)=42mean(μ)=10standard deviation(σ)=13

Q: Imagine you're a researcher and you need to perform a one-sided test of an alternate hypothesis. You…

A: From the provided information, We need to perform a one-sided test of an alternate hypothesis. Level…

Q: Sources of error in, or factors that may influence stability-reliability include: (please select ALL…

A: Reliability: Reliability can be considered as consistency. "Reliability" refers to a product's…

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Q: Adults aged 18 years old and older were randomly selected for a survey on obesity. Adults are…

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Q: 3. A study was conducted to compare automobile gasoline mileage for three formulations of gasoline.…

A: Introduction: We need to perform two tests- one to check if the mean mileage per gallon differs for…

Q: - Ix - 0l (i) f(x, θ) = - 2 (-∞<x<∞) 1 f (x, 6) = 5 -(x-6), 0 <x < 8, -8mθ<o. (ii)

A:

Q: Direction: Compute and Illustrate the distribution of the mean. 1. The average price of a computer…

A: Given,sample size(n)=27mean(μ)=789standard deviation(σ)=348

Q: 14. If t is the most efficient estimator and ť is a less efficient estimator with efficiency e and p…

A: