Categorize these measurements associated with student life according level: nominal, ordinal, interval or ratio. 1) nationality of the students. 2) grade in the last exam(base of 100 points possible) 3) teacher evaluation (bad, good, very good, excellent) 4) weight of students

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A:

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A: Given data  λ = 0.2 defects per componentx = no. of defects in componentP(x=X)= e-λ(λ)xx!…

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A: According to the given information in this question We need to answer all the parts

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A: roll 3 fair dice. (n=3) P(roll 1) = p = 16 x = no. of time it shows 1 P(x=X) = nCxpxqn-x…

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A: The three variables in the study are  1 U of W Pain Inventory 2 Marlowe-Crowne Reaction…

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A: Given: The student took n=100 equal sized slips of paper and crinkled x=25 of them before putting…

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A: From the provided information, Mean (µ) = 65 Standard deviation (σ) = 2.3 X~N (65, 23)

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A: given five number summary : 48,48,57,63,69Q1 = 48Q3 = 63

Q: What is the correlation  r  between life expectancy and poverty level percentile rank ?

A:

Q: When should the Wilcoxon Signed-Rank test be used instead of a paired t-test?

A: The Wilcoxon Signed-Rank test and the paired t-test are both used to compare the means of two…

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A: The probabilities you are asking for are related to the Student's t-distribution, which is a…

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A: GivenMean(μ)=34.5standard deviation(σ)=17.2

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A:

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A: Given information: The independent random variables Y1 and Y2 follows exponential random variables…

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A: Given data: 2.7, 4, 4.5, 5.5, 7, 9.4, 11.3, 11.6, 13, 13.1, 13.3, 13.5, 15.3, 15.5, 16.2, 18.8,…

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A: Solution:- From given information

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A: A B C Total Male 19 5 3 27 Female 11 7 20 38 Total 30 12 23 65

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A: The number of observations is n = 11.

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A: The sample correlation coefficient between height and weight is given as r=-0.63. The sample size…

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A: Given: If compressor is defective, the lifetime Td has mean μ=0.1 If compressor is not defective ,…

Q: What is the formula used to calculate the Wilcoxon Signed-Rank test statistic?

A: Wilcoxon Signed-Rank test Non-parametric tests include the Wilcoxon signed-rank test. It is used to…

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A: given data, two fair dice are rolled once total outcomes:n=62=36sample…

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A: The given equation is. -4x+2y=8

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A: We have given that n = 40

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A: In the given question, we have to review two data sets- one belongs to the researcher and the other…

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A:

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A: Introduction: A confidence interval is a range of values that is likely to contain the true value of…

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A: given data, A small software company will bid on a major contract. It anticipates a profit of…

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A: Let X be the random variable that is the normal body temperature of people.  Given that, X ~…

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A: In the given problem, there are two variables under study in this question-  U of W pain scale rate…

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A: Given The given data is as follows: Population mean, μ=838 Sample size, n=60 Sample mean, x¯=745…

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A: Answer:- Let µ1 be the mean test scores for those who took the preparation course and let µ2 be the…

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A: Given information is: Method 1 Method 2 x1=86 x2=98 s12=324 s22=841

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A: Given,sample size(n)=16mean(μ)=40standard deviation(σ)=8

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A: State the null hypothesis and alternative hypothesis.  H0: ρ = 0 (population correlation coefficient…

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A: Given: Mean M=85 Standard deviation SD=6.8

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A: Given data x¯x-x¯y = 0.0579sx-y= 0.3086two sided alternative hypothesisnull hypothesis : means are…

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A: The question is about normal distribution Given : Popl. avg. of time to make a custom couch ( μ ) =…

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A: Introduction: It is required to identify the correct option.

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A: Given information: The data represents the satisfaction ratings.

Q: Region A D ● 100 200 300 400 500 600 700 800 900 1000 People per Square Mile

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A: Given data n1 = 36x¯1 = 35.51s1= 24.14n2 = 36x¯2 = 40.58s1= 29.18equal variance assumptiontwo tailed…

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A: Positive trend :  If direction of data points is positive and In upward direction than it is…

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A: given data, a perticular blood donation clinic accepted well over on hundred donors on…

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A: Given information: The table below shows the probability that in 30 years, the system capacity will…