Find the 20th percentile of the data 4 5 11346 2

Q: "For each observation, add up the attribute value of all its neighbors (including itself) and divide...

A: Explanation: Getis and Ord (1992) established the Getis-Ord Gi statistic as a local statistic that r...

Q: small country consists of five states. Call these states A, B, C, D, and E. The standard quotas for ...

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have ...

Q: Example 6-19. From a point on the circumference of a circle of radius 'a', a chort drawn in a random...

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Q: The credit manager of a large department store claims that the mean balance for the store’s charge a...

A: For testing the credit manager's claim that if the true mean balance is indifferent of R3280, throug...

Q: Consider the following probability density function of random variasle X f(x) = {kv 0<1<1 otherwise ...

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Q: Calculate the standard deviation from the following data : Size of item Frequency Size of item Frequ...

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Q: Example 1. The weights (in grams) of 40 oranges picked at random from a basket are as follows : 45, ...

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Q: Calculate the semi-inter quartile range of the marks of 19 Sudents in Statistics given below : : 0-5...

A: Given that  Class Frequency 0 - 5 4 5 - 10 6 10 - 15 8 15 - 20 12 20 - 25 7 25 - 30 2...

Q: 1. In a study of the effect of applicant's eye contact (yes, no) and personnel officer's gender (mal...

A: Given In a study of effect of applicants eye contact and personnel officers gender on the personnel ...

Q: In a sample of 100 Planter’s Mixed Nuts, 11 were found to be almonds.   (a) Construct a 95 percent...

A: The random variable X follows binomial distribution. The sample size is 100. The number of successes...

Q: 5. Which of the following statements describe the concepts of empiriica rule? A. It states that the ...

A: Empirical rules:1) P(μ-σ&lt;X&lt;μ+σ)≅68%2) P(μ-2σ&lt;X&lt;μ+2σ)≅95%3) P(μ-3σ&lt;X&lt;μ+3σ)≅99.70%

Q: A baseball player hit 62 home runs in a season. Of the 62 home runs, 17 went to right field, 22 went...

A: The probability of a home run, that hits towards a specific direction is given as the proportion of ...

Q: Property 5. If X is some r.v. with characteristic function ox (t), and if u,' = E (X) exists, then H...

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Q: Attempting to motivate customers to make early payment of bills, the manager of a consulting company...

A: 1 92 28 2 88 30 3 65 29 4 85 85 5 95 29 6 64 28 7 65 26 8 62 29 9 90 88 10 89 30 ...

Q: Example 6. Draw a histogram for the following data on the size of families :

A: Given:  given data values of nonof children's and nonof families then draw the histogram of no of fa...

Q: Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the ...

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Q: In a class of 80 students, sixty percent use neither an iPhone nor an iPad. Twenty percent use an iP...

A: Disclaimer : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: Find the area of a region that corresponds to each of the following z values. Sketch and label each ...

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Q: A college lecturer randomly selected thirty-five students in his class to complete an assigned task ...

A: The confidence interval for mean is       Confidence interval = x̄ ± M.E  x̄ is sample mean M.E is m...

Q: Suppose we take a random sample from a population with mean u and variance o?. Let X1 and X2 be the ...

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Q: [-74 The variable X has a normal distribution with mean u = 100 and standard deviation o = 8. The va...

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Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just ...

A: Formula : Z =(X - μ)/σ

Q: A portfolio is created by investing equally into two stocks: Stock A and Stock B. The table below pr...

A: Given that  We have to find the correlation between the returns of these two stocks 

Q: On an Engineer Licensure Exam with a population mean of 83 and standard deviation of 8. Jenny scores...

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Q: 11. If the scores in a Probability and Statistics test are normally distributed with a mean of 31 an...

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Q: In a recent survey of 655 working Americans ages 25 - 34, the average weekly amount spent on lunch w...

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Q: Compute price index for the following data by applying weighted average of price relatives method us...

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Q: High blood pressure: A national survey reported that 34% of adults in a certain country have hyperte...

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Q: Based it from ztable and use scientific calculator thanks

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Problem 1.29 I arrive home from a feast and attempt to open my front door with one of the three keys...

A: Let X be the number of trials needed to open the door. Let X denote the number of trials required to...

Q: Problem 3 An electric company is studying the relationship between the energy consumption (in thousa...

A: The following data is given: Number of rooms 13 9 14 6 10 7 11 10 5 7 Energy Consumption 9 7 11...

Q: Suppose the random variable x is best described by a normal distribution with u = 32 and o = 5. Find...

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Q: People living in a town are grouped according to their age into five groups. The number of persons l...

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Q: Problem 1.28 n married couples have to cross from the left to the right bank of a river via a narrow...

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Q: Having more than 1000 students in a year, assume that I choose a simple random samples of 30 final e...

A: given data  sample size n =30 The results show that 5% of the grades are over 2.1 and 5% are under 1...

Q: For #s 7- 8, refer to the problem below: A hospital researcher is interested in the number of times ...

A: Let X be the random variable having probability mass function is,  X 0 1 2 3 4 5 P(x)  0.08 0.1...

Q: Consider the following hypothesis test: Ho : u = 18 H1 :u # 18 Using a sample of 48 which provided a...

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Q: Time(t) Enrollment 1 907 2 981 3 1014 4 1015 1050 6. 1071 7 1123 8 1118 1175 10 1216

A: Given: time(t) Enrollment(y) 1 907 2 981 3 1014 4 1015 5 1050 6 1071 7 1123 8 11...

Q: Calculate the mean deviation from the mean for the following distribution : Marks No. of students : ...

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Q: In a survey of 2001 adults in a recent year, 701 made a New Year's resolution to eat healthier. Cons...

A: Given: n = 2001 x = 701  

Q: 6. Find the arithmetic mean for the following data : Marks No. of students 010 5 10-20 10 20-30 40 3...

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Q: Example 6-24. Use the relation E(AXª+BX'+CX°)² >0, X being a random variable with E(X) = 0, E denoti...

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Q: The random sample of 5 school students is selected and their marks in statistics and accountancy are...

A: Given that 85,60,73,40,90 93,75,65,50,80 Statistics =X 85 60 73 40 90 Accountancy =Y 93 75 65 5...

Q: from Silva and Tenreyro (2017), plots the total fertility rate against real per capita income for 88...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: 1 Consider two events A and B such that P(A) = , P(A/B) = – and P(B/A) = Examine the following state...

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Q: The monthly income of residents of Daisy City is normally distributed with a mean of $3000 and a sta...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: What does the level of significance r

A: Level of significance: The type I error occurs if “rejecting the null hypothesis if the null hypothe...

Q: Problem : A system consists of three units connected in series. The reliability of components are 0....

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Q: Calculate the consumer price index number for 2015 on the basis of 2000 from the following data by u...

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Q: 1) Is the amount of weight gained by rats who eat only junk food for four weeks ratio or interval da...

A: Solution-: 1) Is the amount of weight gained by rats who eat only junk food for four weeks ratio or ...