Find the 25th, 50th, and 75th percentile from the following list of 35 data 2 6 8 15 21 29 30 33 48 50 57 60 63 64 66 73 74 79 80 86 91 93 95 96 50th percentile 22 1 59 70 7万 88 3487 41 23 45 71 75 76 3272 25th percentile - 75th percentile -

Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Given,y=-96.07x+69.42and r=-0.27

Q: A personnel director in a particular state claims that the mean annual income is greater in one of…

A:

Q: You estimated a regression with the following output. Source | SS df…

A: Given: The estimated a regression with the following output: The regression equation is written in…

Q: X-μ Approximate the probability P(X<7) by the fact that the random variable can be o/√n pproximated…

A: Given population units are 3, 6, 9, 12, 15. μ=sum of…

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total…

A: Given data is    A B C Total Male 14 2 19 35 Female 16 8 15 39 Total 30 10 34 74

Q: Without looking, in 1 out of 3 tries, Tony correctly identifies a picture as one of 5 shapes:…

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Q: Problem 1 A field experiment designed as a RCBD to investigate the effects of four different types…

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Q: A study conducted at a certain high school shows that 67% of its graduates enroll at a college. Find…

A: Given,n=5p=0.67q=1-0.67=0.33A random variable X~Binomial(n=5 , p=0.67)P(X=x)=5x0.67x0.335-x   ;…

Q: An experiment was performed in chemical engineering in order to investigate the conditions most…

A: From the given information, the multiple-regression model fitted to the data is, y = -130.7+ 0.134…

Q: Fewer young people are driving. In year A, 65.9% of people under 20 years old who were eligible had…

A: Solution-: Given: n=1700 In year A, p^=0.659 (or 65.9%)  In year B, p^=0.427 (or 42.7%) Our aim to…

Q: Correlation Results Fifty-four wild bears were anesthetized, and then their weights and chest sizes…

A: Given that  Correlation r = 0.964257 Critical value = ± 0.2680855 The null and alternative…

Q: Problem 2 Three different washing solutions are being compared to study their effectiveness in…

A: Given information: Solution Days 1 2 3 4 1 13 22 18 39 2 16 24 17 44 3 5 4 1 22

Q: Suppose that 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Let X be the number of dogs from binomial distribution with probability (p) = 30% = 0.30 and sample…

Q: Construct the equation of the regression line. An editing firm compiled the following table which…

A: Given n=6

Q: How much does a 1 inch increase in LENGTH corresponds to a _________________ dollars increase in…

A: The independent variable is Length. The dependent variable is Price. We have to write the…

Q: According to the Central Limit Theorem, the distribution of sample means will be approximately…

A: Solution-: According to the CLT, the distribution of sample means will be approximately normal when…

Q: he table summarizes results from 977 pedestrian deaths that were caused by automobile accidents.…

A: From the provided information, Driver Intoxicated   Pedestrian Intoxicated   Yes No…

Q: Find the variance and standard for the continuous random variables with density functions 2x for 0 ≤…

A: List of formulae : Variance : Var(x) = E(x2)-E(x)2 Where , E(X)=∫xxf(x)dx E(X2)=∫xx2f(x)dx Standard…

Q: A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be x =…

A: The random variable X follows normal distribution. We have to construct 99% confidence interval for…

Q: Continuous random variables 4. Let X be a continuous random variables with pdf. Find the mean and…

A: Obtain the value of E(X). The value of E(X) is obtained below as follows: From the information,…

Q: The scores on a test are normally distributed with a mean of 90 and a standard deviation of 18. What…

A: Let X be the score in the test. X is normally distributed with mean=90 and standard deviation =18…

Q: Find the indicated area under the standard normal curve. To the left of z= -1.18 Click here to view…

A: GivenThe indicated area under the standard normal curve to the left of z=-1.18 is

Q: Problem 12: Say we want to cluster the data {2, 3, 5, 8, 10, 11, 12, 13, 18, 22). By hand, do one of…

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Q: Given that x has a Poisson distribution with μ=1.2​, what is the probability that x=1​?

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Q: Find the indicated area under the standard normal curve. To the right of z = 0.64 Click here to view…

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Q: Which of the following can residual analysis be used for: to test for interactions to test for…

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Q: What is the shape of the distribution? What is the Measure of center? What is the Measure of spread?

A: Given distribution graph is,

Q: Suppose you just received a shipment of fourteen televisions. Three of the televisions are…

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Q: Giving a test to a group of students, the grades and gender are summarized below Grades and Gender…

A: Solution-: We have given following table: Gender\Grade A B C Total Male 4 13 20 37 Female 9 3…

Q: What is the reason that ignoring the multicolinearity can be problematic when we con- struct a MLR…

A:

Q: This refers to the mean of the sample means according to Central Limit Theorem? (A) Sample mean (B)…

A: Central limit theorem CLT States that the sampling distribution of sample mean is Approximately…

Q: Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), determine…

A: Given that  Z follows standard normal distribution with mean zero and standard deviation one  Note:…

Q: The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they…

A: Let X denote the number of days spent on visit.  Given that n = 5

Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: Given data…

Q: new procedure is suggested for the manufacture of a piece of machinery. There are concerns that the…

A: Given data : sample size, n =50 sample mean, x̄ = 9.97 sample standard deviation,s= 0.1…

Q: The established mean for the number of copies a customer makes per visit at a copy store is 38.   A…

A: Given : sample size, n =57 sample mean, x̄ =32 population standard deviation,σ=20…

Q: The test statistic of z= 1.96 is obtained when testing the claim that p > 0.43. This is a…

A:

Q: If x represents a random variable with mean 110 and standard deviation 14, then the standard…

A: If x represents a random variable with mean 110 and standard deviation 14. μ=110σ=14 sample…

Q: 15.  From the sample statistics below , find p¯ used to test the hypothesis that the population…

A: (15)  n1 = 100,   n2 = 100 And x1 = 36, x2 = 37 Then,  We will find the pooled proportion (p̄) = ?…

Q: An exclusive college desires to accept only the top 10% of all graduating seniors on the basis of…

A:

Q: 2 True or False. You will obtain a large value for x ² if expected cell counts and observed cell…

A: here use basic of chi square test

Q: Do teachers find their work rewarding and satisfying? An article reports the results of a survey of…

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Q: No. 1 2 3 4 5 90 78 90 X 75 85 84 88 S 6 10 3 12 Z -1.4 -4 1 6

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Q: The results of a question asked in a simple random survey are reported in the accompanying table.…

A: From the provided information, Sample size (n) = 100 Confidence level = 95%

Q: In a random sample of 39 criminals convicted of a certain​ crime, it was determined that the mean…

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Q: You estimated a regression with the following output.         Source |       SS           df…

A: From the given information, the intercept value (b0) is 87.02.

Q: In a recent court case it was found that during a period of 11 years 854 people were selected for…

A:

Q: 1.  Express the null hypothesis, H0 and the alternative hypothesis, H1 in symbolic form.  Use the…

A: 1)GivenCarter Motor Company claims that its new sedan, the Libra, will average better than 30 miles…

Q: Please use the accompanying Excel data set or accompanying Text file data set when completing the…

A: Given data…

Q: What is the value of D4 in the scores of the random 10 students from Science: 22, 21, 26, 28, 24,…

A: Solution-: Given data: 22, 21, 26, 28, 24, 20, 27, 26, 26, 29 We want to find D4=?