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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 E Click the icon to view at distribution table. a. What is the number of degrees of freedom that should be used for finding the critical value t12? df = 49 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ta12= (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 E Click the icon to view at distribution table. a. What is the number of degrees of freedom that should be used for finding the critical value t12? df = 49 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ta12= (Round to two decimal places as needed.)

MATLAB: An Introduction with Applications
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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Question Help Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) TInterval below. (13.046,22.15) X = 17.598 Sx 16.01712719 EA Click the icon to view at distribution table. n= 50 a. What is the number of degrees of freedom that should be used for finding the critical value t,? a/2 df = |49 (Type a whole number.) b. Find the critical value t2 corresponding to a 95% confidence level. ta12= (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 sample values that can vary after certain restrictions have been imposed on all data values. O 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 total number of sample values. D. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. More Click to select your answer(s). 32%
Transcribed Image Text:Question Help Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) TInterval below. (13.046,22.15) X = 17.598 Sx 16.01712719 EA Click the icon to view at distribution table. n= 50 a. What is the number of degrees of freedom that should be used for finding the critical value t,? a/2 df = |49 (Type a whole number.) b. Find the critical value t2 corresponding to a 95% confidence level. ta12= (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 sample values that can vary after certain restrictions have been imposed on all data values. O 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 total number of sample values. D. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. More Click to select your answer(s). 32%
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