Find the standard deviation for the following data. Round your answer to 2 decimal places as needed 44 21 34 8 86 4 60 13 87 84 standard deviation %| LO

Q: The histogram below shows the distribution of pass rates on a swimming test taken by children who…

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Q: The Smallville Police has released that they issue an average of forty speeding tickets per day. An…

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A: From the provided information, Mean (µ) = 0.20 Standard deviation (σ) = 0.024 X~N (0.20, 0.024)

Q: 6. Use the regression equation to predict the weight of a harbor seal with a camera width of 6.9 cm.…

A: X Y X \cdot YX⋅Y X^2X2 Y^2Y2   7.2 150 1080 51.84 22500   7.9 100 790 62.41 10000   9.8…

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Q: Use R to determine P(3.1<ỹ<5.1) for a Normal distribution with a mean of 4.3 and a standard…

A: Use R programming

Q: EXAMPLE :- How many 3 digits number can be formed using digits 1,6,8,9,3,7 without repeating any…

A: We have given number are 1,6,8,9,3,7

Q: need the answer quick

A: According to guidelines we solve only first question when given questions are different

Q: We wish to estimate the difference in mean GPAS at two different colleges. Consider the following…

A: Given Information: School A: x¯1=4.05 s1=0.03 n1=80 School B: x¯2=3.95 s2=0.04 n2=90 Confidence…

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A: Given that  Population standard deviation =10.4 Margin of error =E =2.2 90% confidence.

Q: The commissioner of the state police is reported as saying that about 10% of reported auto thefts…

A: Given,The commissioner of the state police is reported as saying that about 10% of reported auto…

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A: Solution-: We have following table we get,   A B C Total Male 9 20 19 48 Female 11 8 5 24…

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Q: Problem A. standard deviatiol 1oolb. By a few techniques in the manufacturing process, it is claimed…

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Q: Find the probability that a randomly selected thermometer reads between −2.07 and −0.71

A: We have given that Mean = 0 Standard deviation = 1

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A: formula for the Margin of Error confidence level =95% E=Zα2*σn    orE=tα2,n-1*sn    orE=Zα2*p(1-p)n…

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Q: What is the derivative of the function f(x)= In(3x2) ? а. f'(x)= 2 b. None of these. с. 1 f'(x)= %3D…

A: We have given that  The function is f(x) = ln(3x2)

Q: Construct the indicated confidence interval for the population mean μ using the​ t- distribution.…

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Q: It has been claimed that 71% of all adults use their cell phones within an hour of going to bed.…

A: From the provided information, The claim is that 71% of all adults use their cell phones within an…

Q: The standard deviation of the following sample of data (not estimating the population SD-Use N in…

A: The given sample is 5, 5, 7, 7. Here, to find SD of sample data.

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A: It is given that n=10,000 and p=0.02.

Q: Pretzels: In order to judge the effectiveness of an advertising campaign for a certain brand of…

A: We have given that,  X1 = 26, n1 = 98 And X2 = 41, n2 = 78 Then,  We will find the 99.5% confidence…

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Q: The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters…

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Q: f. A random sample of n=80 observations from a quantitative population produced X = 30.2 and s2 =…

A: Given X-bar=30.2 n=80

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Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

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Q: For each of the following sampling scenarios, choose an appropriate test statistic for our…

A: here given , sample mean  = 562  sample standard deviation = 74  here hypothesized mean = 557

Q: Which among the following numbers could be the  probability of an event? 0.23, 0, 3  2  ,  3  4,…

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Q: Let's say that 80% of all business startups in the IT industry report that they generate a profit in…

A: We have given that  p = 80% = 0.80 n = 10  X ~ B( 10, 0.8 ). The pmf of Binomial distribution,…

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Q: A regression model relating x, number of salespersons at a branch office, to`y, annual sales at the…

A: The independent variable is number of sales persons. The dependent variable is annual sales. We have…