Solve the problem. 24) According to a college survey, 22% of all students work full time. Find the standard deviation for the number of students who vork full time in samples of size 16. 24) A) 2.6 B) 1.9 C) 1.7 D) 3.5

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Q: The length of a rod was measured eight times. The measurements in centimeters, in the order they…

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Q: Find the sample size need to find the Population Mean if the margin of error is $105, the confidence…

A: Solution: From the given information, confidence level is 0.95, σ=315 and E=105.

Q: Accoraing to the Census Bureau, 3.13 people reside in the typical American househola. A sample of 25…

A: Given ; sample Mean = x = 2.86 standard deviation = σ = 1.2 sample size = n = 25 Population mean =μ…

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Q: A data set has a mean of 60.4 and a standard deviation of 5.2    Is a value of 45 unusual? Is a…

A: From the provided information, Mean (µ) = 60.4 Standard deviation (σ) = 5.2 X~N (60.4, 5.2)

Q: Compute the standard deviation of the sampled proportions if p=.4 and n=500. Round to three places.

A: We want to find standard deviation  X~Binomial(n=500,p=0.4)

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Q: throughout America and decides to focus on the height data, given in meters, which are repro…

A: Given data :  Height of skyscrapers ( meters) 107.5 108.2 133.6 151.4 155.8 149…

Q: 2. How is the sample size related to the deviation?

A: We have to define how sample size is related standard deviation

Q: The highway mileage (mpg) for a sample of 10 different models of a car company can be foun below. 29…

A: Given range is 25. standard deviation using range rule of thumb is ?

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Q: b) The American Automobile Association reports that the average time it takes to respond to an…

A: Given  μ=38, σ=9.002 and n=80

Q: (e) How good was the Denver Broncos' 2013 NFL season compared to the rest of the football teams that…

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Q: Compute for the sample mean, sample variance and sample standard deviation. The score of the 5…

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Q: 4) According to one pollster, 59 % of people are afraid of flying. Suppose that a sample of size 26…

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Q: Use a formula to find the standard deviation of the sample 1, 4, 5, 6.

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A: Mean = 1269 Standard deviation = 145

Q: In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 with a standard…

A: The mean is 28 and the standard deviation is 4.

Q: Suppose​ 30% of the people in your town talk on their cell phones and drive at the same time. If you…

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Q: Calculate the sample standard deviation. Given E7º, xỉ = 100112. %D Compute Pg0. Hence, comment the…

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Q: has averaged 7.48 mg/L with a standard deviation of 1.6 mg/L. If 10 students measure the sulfate in…

A: Given: sample size, n = 10Mean, μ =7.48std. deviation, σ = 1.6

Q: 4. Compute the average deviation on the data below Test scores X-Х bar Xi 57 60 65 70 78 s0 82 85…

A: 4. Formula for Average deviation is, Average deviation=∑x'n Where x'=x-x¯ x¯=∑xin  , n=10…

Q: A travel agency wishes to estimate, at 99% confidence and to within $100, the mean airfare for…

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A: The data can be sorted in ascending order as: 28, 29, 30,39, 41, 48, 48, 49, 51, 62

Q: A population has a mean of 80 and a standard deviation of 8. Ai ralue is ndom sa O A. None of the…

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Q: - Calculate the Quartile Deviation (Q.D) and coefficient of Q.D. for the data below: ( 230 , 620 ,…

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Q: Suppose that the amount of sleep college students get per night has a symmetric, bell shaped…

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Q: 3.The average salary of bank managers in a certain city is $85,600 pesos per hour with a standard…

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Q: given the data set 12,3,5,9,8,10,7,9  Find sample standard deviation using the short cut cut…

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Q: Q2/ The number of hours worked by 10 employees of small building firm during a week were: 45 46 34…

A: Given data, 45,46,34,47,44,42,46,42,43,44

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Q: The mean IQ of 200,000 current and past University of Manitoba students has been found to be 81.9.…

A: Given: Population mean μ=81.9 Population standard deviation σ=13.1 Number of people in 2016 = 29987…

Q: 4. The variance of a data set is 3410.56. Find the standard deviation for the data set.

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Q: d) What is the standard deviation for the number of adult Americans out of the 20 we would expect to…

A: We have given that,  X be the random variable from Binomial distribution with probability of success…

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A: Given: Standard deviation, σ = 2.8​​​​​​ True mean differs from the sample mean by one more than one…

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A: Given that  Standard deviation =3.3 Margin of error =0.77 We have to find How many number of drivers…

Q: Six different  titrations are found to be 0.5018 0.5047 0.5062 0.5039 0.5056 0.5038.…

A: Given titrations are 0.5018, 0.5047, 0.5062, 0.5039, 0.5056, 0.5038 Arrange the titrations in…

Q: A financial researcher in Malaysia found that the monthly expenditure for a household staying in…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…