XRefer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.fa. What is the number of degrees of freedom that should be used for finding the critical value /?df = 0(Type a whole number.)b. Find the critical value a/2 corresponding to a 95% confidence level.a/2=(Round to two decimal places as needed.)c. Give a brief general description of the number of degrees of freedom.D5373255.docxOA. The number of degrees of freedom for a collection of sample data is the number of sample values that are determined after certain restrictions have been imposed on all data values.OB. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values.OC. The number of degrees of freedom for a collection of sample data is the total number of sample values.OD. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.#3IED80C$RFNO REF SAMPLE....pdfV%5TG6BMacBook Air&D TEMPLATE Sel...docxYH&7NF7U* 008JDII-M(9Kresume.docxDOOIOLF10PcommandClear all>.....I(13.046,22.15)x= 17.598Sx= 16.01712719n = 50{+[?optionTintervalCheck answer11I1Show All}1Xdele

Answered: Image /qna-images/answer/c3013e01-2493-4326-891c-160cf831aeb3.jpg

Answered: Refer to the accompanying data display…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Find the critical value, t c, used for a 95% confidence interval for the mean with a sample size of 28. Round to three decimal places.
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Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. . TInterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50 a. What is the number of degrees of freedom that should be used for finding the critical value tα/2? df=__ (Type a whole number.) b. Find the critical value tα/2corresponding to a 95% confidence level. tα/2= (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. A. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. B. The number of degrees of freedom for a collection of sample data is the number of sample values that are determined after certain restrictions have been imposed on all data values. C. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary…
Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. TInterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50 Question content area bottom Part 1 a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place, round the confidence interval limits accordingly. 13.0513.05 Mbps<μ<22.1522.15 Mbps (Round to two decimal places as needed.) Part 2 b. Identify the best point estimate of μ and the margin of error. The point estimate of μ is enter your response here Mbps. (Round to two decimal places as needed.)
Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. TInterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50 Question content area bottom Part 1 a. Express the confidence interval in the format that uses the "less than" symbol. Given that the original listed data use one decimal place, round the confidence interval limits accordingly. 13.0513.05 Mbps<μ<22.1522.15 Mbps (Round to two decimal places as needed.) Part 2 b. Identify the best point estimate of μ and the margin of error. The point estimate of μ is 17.6017.60 Mbps. (Round to two decimal places as needed.) Part 3 The margin of error is E=4.554.55 Mbps. (Round to two decimal places as needed.) Part 4 c. In constructing the confidence interval estimate of μ, why is it not necessary to confirm that the sample data appear to be from a population with a normal distribution? A. Because the…
Refer to the accompanying data set of mean drive-through service times at dinner in seconds at two fast food restaurants. Construct a 90% confidence interval estimate of the mean drive-through service time for Restaurant X at dinner; then do the same for Restaurant Y. Compare the results. Construct a 90% confidence interval of the mean drive-through service times at dinner for Restaurant X and Y?
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Find the critical value tc for the confidence level c=0.99 and sample size n=24. LOADING... Click the icon to view the t-distribution table. tc= (Round to the nearest thousandth as needed.)
Refer to the accompanying data set and construct a 90 % confidence interval estimate of the mean pulse rate of adult females; then do the same for adult males. Compare the results. Construct a 90 % confidence interval of the mean pulse rate for adult females. nothing bpmless than muless thannothing bpm (Round to one decimal place as needed.) Construct a 90 % confidence interval of the mean pulse rate for adult males. nothing bpmless than muless thannothing bpm (Round to one decimal place as needed.) Compare the results. A. The confidence intervals do not overlap, so it appears that there is no significant difference in mean pulse rates between adult females and adult males. B. The confidence intervals overlap, so it appears that there is no significant difference in mean pulse rates between adult females and adult males. C. The confidence intervals overlap, so it appears that adult males have a significantly…
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