Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. LOADING... Click the icon to view a t distribution table. TInterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50 Question content area bottom Part 1 a. What is the number of degrees of freedom that should be used for finding the critical value tα/2? df=enter your response here (Type a whole number.) Part 2 b. Find the critical value tα/2 corresponding to a 95% confidence level. tα/2=enter your response here (Round to two decimal places as needed.) Part 3 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 are determined after certain restrictions have been imposed on all data values. B. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. C. 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. D. The number of degrees of freedom for a collection of sample data is the total number of 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. LOADING... Click the icon to view a t distribution table. TInterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50 Question content area bottom Part 1 a. What is the number of degrees of freedom that should be used for finding the critical value tα/2? df=enter your response here (Type a whole number.) Part 2 b. Find the critical value tα/2 corresponding to a 95% confidence level. tα/2=enter your response here (Round to two decimal places as needed.) Part 3 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 are determined after certain restrictions have been imposed on all data values. B. The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values. C. 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. D. The number of degrees of freedom for a collection of sample data is the total number of sample values
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
Related questions
Question
Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.
LOADING...
|
TInterval
|
(13.046,22.15)
x=17.598
Sx=16.01712719
n=50
|
Question content area bottom
Part 1
a. What is the number of degrees of freedom that should be used for finding the critical value
tα/2?
df=enter your response here
(Type a whole number.)
Part 2
b. Find the critical value
tα/2
corresponding to a 95% confidence level.tα/2=enter your response here
(Round to two decimal places as needed.)
Part 3
c. Give a brief general description of the number of degrees of freedom.
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.
The number of degrees of freedom for a collection of sample data is the number of unique, non-repeated sample values.
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.
The number of degrees of freedom for a collection of sample data is the total number of sample values
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