From the data given below, find the number of items n. r= +0.5, Ery = 120, o, = 8, Ex = 90 where x and y are deviations from arithmetic average.

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A: Given that  The mean =46 The standard deviation =9

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Q: Most married couples have two or three personality preferences in common. A random sample of 368 mar...

A: Given Data n1 = 368 x1 = 136 n2 = 574 x2 = 232

Q: a. Find a sufficient statistic for 0. b. Is your statistic in (a) also complete? Show/justify.

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Q: An independent research was made asking 500 people about their bank deposits. Using the data in the ...

A: Mean= Σxini/ Σ ni =(750*96+2500*107+3000*130+6000*89+12500*78)/500 = 4477 x̄= 4477

Q: Find the class intervals if the arithmetic mean of the following distribution is 33 and assumed mean...

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Q: Population Trends in St. Patrick’s by Ethnic Group ( x 1000) 1995 - 1999 YEAR  CAUCASIAN  AFRICAN...

A: Given information: Given data represents the values of the variables African and East Indian.

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A: Given: x~N(μ,σ2)f(x)=1σ2πe-12x-μσ2

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Q: Calculate Co-efficient of Range from the followingdata : Weckly Wages ( $) 50-60 60-70 70-80 80-90 9...

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Q: Please consider and work through the following questions. Breast cancer patients Normal individuals ...

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Q: The observed values of a function are respectively 168, 120, 72 and 63 at /the four positions 3, 7, ...

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Q: 1. Skewness: Describe the shape of the following three distributions & lescribe the relationship to ...

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Q: The following data are the joint temperatures of the O-rings (°F) for each test firing or actual lau...

A: Solution: n= 36 Observation.  ∑x= 2372∑x2=161500

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Q: Please consider and work through the following questions. Breast cancer patients Normal individuals ...

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Q: In R there is a dataset called diamonds that contains measurements of about 500 diamonds sold in the...

A: Given information:-   Coefficients Estimated Std. Error t value P-value Intercept -2414 143 -16...

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Q: - TABLE 6E.15 Additional Thickness Data for Exercise 6.35. Subgroup X1 x2 x3 x4 21 454 449 443 461 2...

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Q: The observed values of a function are respectively 168, 120, 72 and 63 at /the four positions 3, 7, ...

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