Business Travel News reported that the average per diem total for a business traveler in Paris, France is $608. Suppose the shape of the distribution of the per diem costs of a business traveler to Paris is unknown, but that 50% of the per diem figures are between $ 578 and $ 638. What is the value of the standard deviation? (Round the intermediate values to 3 decimal places. Round your answers to 2 decimal places.) Standard deviation =

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Q: how do you calculate the mean and standard deviation without a calculator ?

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A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

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A:

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A: YearsCases (in Millions)20044.220054.320064.620074.520084.720094.7

Q: Here are some of the Final Exam scores from last semester's class: 81, 77, 90, 93, 99, 88, 85, 70,…

A: Given n=12

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A:

Q: The scores on a standardized normally distributed with a mean of 95 and standard deviation of 10.…

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Q: how do you find the standard deviation when the score is 9 points above tthe mean?

A: = population standard deviation = the size of the population = each value from the population =…

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A: given data, μ=54.5σ=3.1Omar scores exactly 0.75 standard deviations above the mean z=0.75raw score…

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A: Normal Distribution:Normal Distribution:The normal distribution is a continuous probability…

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A:

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A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

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A: Obtain the population standard deviation:

Q: hompop f 1 1,220 2 1,563 3 716 4 590 Total 4,089 응 29.8% 38.2% 17.5% 14.4% 99.9% c.f C.% 1,220 29.8%…

A: hompopf%c.fc.%1122029.8%122029.8%2156338.2%278368.0%371617.5%349985.5%459014.4%408999.9%4089

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Q: Explain the effect of the standard deviation on power?

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Q: 9. mean = 676; standard deviation = 60 Page

A:

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Q: The standard deviation in the sample means is called the margin of error.

A: Answer : False  The given statement is incorrect.

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A: Mean:

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A: Class  frequency (f) Mid vaue (x) f.x f.x2 0-199 342 99.5 34029 3385885.5 200-399 86 299.5 25757…

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A: Standard deviation indicates the average value by which the observed value of the variable deviates…

Q: True or false. If the standard deviation of a dataset is 0, the mean must also be 0.

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A: