Listed below are speeds​ (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at​ 3:30 P.M. on a weekday. Use the sample data to construct a 95​% confidence interval estimate of the population standard deviation.   60 61 61 55 61 53 59 58 59 68 62 66     LOADING... Click the icon to view the table of​ Chi-Square critical values.       Question content area bottom Part 1 The confidence interval estimate is enter your response here ​mi/h<σ

Q: nterested in finding a 99% confidence interval for the mean number of visits for physical therapy…

A: given data, CI=0.99α=1-0.99=0.01n=14df=14-1=13we find out the mean and standard deviation for the…

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Q: are interested in finding a 95% confidence interval for the mean number of visits for physical…

A: We have given that data  27 15 14 22 8 22 25 16 10 11 15 20 8 11 Sample size n =14 Mean = sum…

Q: You are interested in finding a 90% confidence interval for the mean number of visits for physical…

A: The value of sample mean and standard deviation is, The degree of freedom is, df=n-1   =13-1   =12…

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A: Answer  Given, Mean =118.00   Standard deviation =16.80 Sample size =45

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A: Given data is25,16,12,9,18,14,25,24,25,26,22,14,9sample size(n)=13confidence level=95%

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A: We have to find confidence interval for population mean (μ) Formula : CI = x¯ ±tα/2,n-2sn Where , x¯…

Q: To compute the confidence interval use a     distribution. b. With 90% confidence the population…

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A: 90% confidence interval:      (137.14,146.86) 95% confidence interval:      (136.20,147.80)…

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A: Part 1: Obtain the 90% confidence interval for the population mean. The 90% confidence interval for…

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Q: You are interested in finding a 90% confidence interval for the mean number of visits for physical…

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Q: You are interested in finding a 98% confidence interval for the average commute that non-residential…

A: Given,sample size(n)=14sample mean(x¯)=17.1429standard deviation (s)=4.622degrees of freedom…

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Q: You are interested in finding a 90% confidence interval for the average commute that non-…

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Q: You are interested in finding a 90% confidence interval for the mean number of visits for physical…

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Q: You are interested in finding a 90% confidence interval for the average commute that non-residential…

A: Solution: n= 15 Sample size  ∑x=189x=∑xn=18915=12.6 Sample mean…

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Q: You are interested in finding a 98% confidence interval for the average commute that non-residential…

A: The sample size n is 11.

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Q: You are interested in finding a 98% confidence interval for the mean number of visits for physical…

A: a. Suppose µ is the population mean number of visits per physical therapy patient.

Q: You are interested in finding a 90% confidence interval for the mean number of visits for physical…

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Q: Use the standard normal distribution or the t-distribution to construct a 90% confidence interval…

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Q: u are interested in finding a 98% confidence interval for the mean number of visits for physical…

A: Given data, 21, 8 ,20 ,21, 5, 13 ,25 ,18 ,10, 9, 24 ,26, 27 ,28

Q: You are interested in finding a 98% confidence interval for the average commute that non-residential…

A: (a)   Determine the type of distribution used to compute the confidence interval.   The type of…

Q: You are interested in finding a 98% confidence interval for the mean number of visits for physical…

A: Given, the data set is: 18  6  28  15  15  16  9  8  28  15  17 n = 11 Confidence level = 0.98

Q: You are given the sample mean and the population standard deviation. Use this information to…

A: We have given that.Sample size (n) = 44Sample mean (x̅) = 117.38Standard deviations (σ) = 11.18

Q: ts. The data below show the number of visits for 13 randomly selected physical therapy patients.…

A: The mean is:   The table that shows the necessary calculation is shown below: x x−¯x…

Q: You are interested in finding a 98% confidence interval for the mean number of visits for physical…

A: a) In this case, the population standard deviation is not given.

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Q: You are interested in finding a 95% confidence interval for the mean number of visits for physical…

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Q: You are interested in finding a 95% confidence interval for the mean number of visits for physical…

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Q: visits for physical therapy patients. The data below show the number of visits for 15 randomly…

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Q: You are interested in finding a 98% confidence interval for the mean number of visits for physical…

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