Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. TInterval E Click the icon to view a t distribution table. (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 t,12? df =O (Type a whole number.) b. Find the critical value t,/2 corresponding to a 95% confidence level. (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. O 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. O C. The number of degrees of freedom for a collection of sample data is the total number of sample values. O D. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. TInterval E Click the icon to view a t distribution table. (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 t,12? df =O (Type a whole number.) b. Find the critical value t,/2 corresponding to a 95% confidence level. (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. O 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. O C. The number of degrees of freedom for a collection of sample data is the total number of sample values. O D. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.

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Description: Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.E Click the icon to view a t distribution table.TInterval(13.046,22.15)X= 17.598Sx = 16.01712719n= 50a. What is th

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

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.
E Click the icon to view a t distribution table.
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 t,/2?
df =
(Type a whole number.)
b. Find the critical value t/2 corresponding to a 95% confidence level.
ta/2 =
(Round to two decimal places as needed.)
c. Give
brief general description of the number of degrees of freedom.
O 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.
O 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.

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