Calculate the semi-interquartile range of this sample: 42 26 32 41 52 33 88 71 38 52 53 27 46 32 59 In a sample, the semi-interquartile range is 14. The lower quartile is 5 less than the median. Determine the median if the upper quartile is 91.

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A: Let's find.

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A: Here we use basic trigonometry to solve this

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Q: Hello. I appreciate any help. Thanks.

A: Standard Error of a sample proportion is given by:

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A: Solution: Given information: n= 50 Sample size  xd= 1.5  Diffrence of sample mean sd=4.75 Difference…

Q: Out of 500 people sampled, 445 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given Data: p=445/500=0.89 n=500   z-value corresponding to 90% Confidence =1.645

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A: We use D' Morgan's law to solve the given question.

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A: use trigonometric formulae to check as below

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Q: Given the probability density function f(x) 1 over the interval [3, 9], find the expected value, the…

A: A random variable x~Uniform(3,9)And probability density function(pdf) =f(x)=16   ; 3≤x≤9

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A: Find the co ordinates of C' after reflection accross y=-x

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Q: Problem 3: Consider the second-order linear initial value problem: x²y" + cos(x) y = 0, y(1) = 0…

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Q: need some help

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Q: Tacoma's population in 2000 was about 200 thousand, and had been growing by about 9% each year.…

A: Tacoma's population in 2000 was about 200 thousand, and had been growing by about 9% each year.  Let…

Q: 6. A theater has rows of seats that can seat a total of 144 people. The number of rows is 7 less…

A: Solution: Let the number of seats in each row = x so, number of rows = x-7 Total seats = 144