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= 1601712719 n=50 a. What is the number of degrees of freedom that should be used for finding the critical value /2? df D (Type a whole number) b. Find the critical value 2 coresponding 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 are determined after certairi restrictions have been imposed on all data values OB. The number of degrees of freedom for a colection of sample data is the number of unique, non-repeated sample values nc The Ann d t Click to select your answer(s) Next O Time Remaining: 01 1825 247 PM

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Please answer A B C In full
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 at 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 =D
(Type a whole number.)
b. Find the critical value t2 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 are determinied 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 unique, non-repeated sample values
The nmhne a dnnrane of benndam t lltinn afmnln dat le th intal nomhe ndmnls ulinn
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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. E Click the icon to view at 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 =D (Type a whole number.) b. Find the critical value t2 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 are determinied 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 unique, non-repeated sample values The nmhne a dnnrane of benndam t lltinn afmnln dat le th intal nomhe ndmnls ulinn Click to select your answer(s) O Time Remaining: 01.18 25 Next 247 PM 7/27/2021 hp * 144 prt sc delete home esc & 7. backspace 23 8. ock R. T Y home on Ba tab enter 6. J K caps lock pause * shift end pg dn C B shift 1 alt ctri ins alt ctri fn
Sx= 16.01/12719
n= 50
.....
(Type a whole number.)
b. Find the critical value t,12 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 are determined 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 unique, non-repeated sample 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 sample values that can vary after certain restrictions have been imposed on all data values.
Click to select your answer(s).
O Time Remaining: 01.18 12
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Transcribed Image Text:Sx= 16.01/12719 n= 50 ..... (Type a whole number.) b. Find the critical value t,12 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 are determined 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 unique, non-repeated sample 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 sample values that can vary after certain restrictions have been imposed on all data values. Click to select your answer(s). O Time Remaining: 01.18 12 Next 248 PM 7/27/2021 hp delete end home 144 esc & %23 $ backsoce um lock 2. 5 6. 7. 8 R IT Y home Pg up tab enter J K caps lock DaUse * shift end C shift 1 alt ctri ins alt ctri fn
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