pans (a) througn (C) TInterval (13.046,22.15) x = 17.598 Sx = 16.01712719 n= 50 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 t2? df =D (Type a whole number.) b. Find the critical value t2 corresponding to a 95% confidence level. ta/2= (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. OB. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. O C. 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 D. The number of degrees of freedom for a collection of sample data is the total number of sample values.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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)
E Click the icon to view a t distribution table.
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 t2?
df =
(Type a whole number.)
b. Find the critical value t2 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.
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.
OB. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.
O C. 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 D. The number of degrees of freedom for a collection of sample data is the total number of sample values.
Transcribed Image Text: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) E Click the icon to view a t distribution table. 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 t2? df = (Type a whole number.) b. Find the critical value t2 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. 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. OB. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. O C. 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 D. The number of degrees of freedom for a collection of sample data is the total number of sample values.
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