Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below.t Distribution: Critical t ValuesArea in One Tail0.0050.010.0250.050.10Area in Two TailsDegrees of Freedom0.010.020.050.100.20163.65731.82112.7066.3143.07829.9256.9654.3032.9201.88635.8414.5413.1822.3531.63844.6043.7472.7762.1321.53354.0323.3652.5712.0151.47663.7073.1432.4471.9431.44073.4992.9982.3651.8951.41583.3552.8962.3061.8601.39793.2502.8212.2621.8331.383103.1692.7642.2281.8121.372113.1062.7182.2011.7961.363123.0552.6812.1791.7821.356133.0122.6502.1601.7711.350142.9772.6242.1451.7611.345152.9472.6022.1311.7531.341162.9212.5832.1201.7461.337172.8982.5672.1101.7401.333182.8782.5522.1011.7341.330192.8612.5392.0931.7291.328202.8452.5282.0861.7251.325212.8312.5182.0801.7211.323222.8192.5082.0741.7171.321232.8072.5002.0691.7141.319242.7972.4922.0641.7111.318252.7872.4852.0601.7081.316262.7792.4792.0561.7061.315272.7712.4732.0521.7031.314282.7632.4672.0481.7011.313292.7562.4622.0451.6991.311302.7502.4572.0421.6971.310312.7442.4532.0401.6961.309322.7382.4492.0371.6941.309332.7332.4452.0351.6921.308342.7282.4412.0321.6911.307352.7242.4382.0301.6901.306362.7192.4342.0281.6881.306372.7152.4312.0261.6871.305382.7122.4292.0241.6861.304392.7082.4262.0231.6851.304402.7042.4232.0211.6841.303452.6902.4122.0141.6791.301502.6782.4032.0091.6761.299602.6602.3902.0001.6711.296702.6482.3811.9941.6671.294802.6392.3741.9901.6641.292902.6322.3681.9871.6621.2911002.6262.3641.9841.6601.2902002.6012.3451.9721.6531.2863002.5922.3391.9681.6501.2844002.5882.3361.9661.6491.2845002.5862.3341.9651.6481.28310002.5812.3301.9621.6461.28220002.5782.3281.9611.6461.282Large2.5762.3261.9601.6451.282 TIntervalRefer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c)below.(13.046,22.15)E Click the icon to view a t distribution table.x= 17.598Sx = 16.01712719n= 50a. 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 t12 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 unique, non-repeated sample values.O B. 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 imposedon all data 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 beenimposed 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.

Question

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts​ (a) through​ (c) below.t Distribution: Critical t ValuesArea in One Tail0.0050.010.0250.050.10Area in Two TailsDegrees of Freedom0.010.020.050.100.20163.65731.82112.7066.3143.07829.9256.9654.3032.9201.88635.8414.5413.1822.3531.63844.6043.7472.7762.1321.53354.0323.3652.5712.0151.47663.7073.1432.4471.9431.44073.4992.9982.3651.8951.41583.3552.8962.3061.8601.39793.2502.8212.2621.8331.383103.1692.7642.2281.8121.372113.1062.7182.2011.7961.363123.0552.6812.1791.7821.356133.0122.6502.1601.7711.350142.9772.6242.1451.7611.345152.9472.6022.1311.7531.341162.9212.5832.1201.7461.337172.8982.5672.1101.7401.333182.8782.5522.1011.7341.330192.8612.5392.0931.7291.328202.8452.5282.0861.7251.325212.8312.5182.0801.7211.323222.8192.5082.0741.7171.321232.8072.5002.0691.7141.319242.7972.4922.0641.7111.318252.7872.4852.0601.7081.316262.7792.4792.0561.7061.315272.7712.4732.0521.7031.314282.7632.4672.0481.7011.313292.7562.4622.0451.6991.311302.7502.4572.0421.6971.310312.7442.4532.0401.6961.309322.7382.4492.0371.6941.309332.7332.4452.0351.6921.308342.7282.4412.0321.6911.307352.7242.4382.0301.6901.306362.7192.4342.0281.6881.306372.7152.4312.0261.6871.305382.7122.4292.0241.6861.304392.7082.4262.0231.6851.304402.7042.4232.0211.6841.303452.6902.4122.0141.6791.301502.6782.4032.0091.6761.299602.6602.3902.0001.6711.296702.6482.3811.9941.6671.294802.6392.3741.9901.6641.292902.6322.3681.9871.6621.2911002.6262.3641.9841.6601.2902002.6012.3451.9721.6531.2863002.5922.3391.9681.6501.2844002.5882.3361.9661.6491.2845002.5862.3341.9651.6481.28310002.5812.3301.9621.6461.28220002.5782.3281.9611.6461.282Large2.5762.3261.9601.6451.282 TIntervalRefer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c)below.(13.046,22.15)E Click the icon to view a t distribution table.x= 17.598Sx = 16.01712719n= 50a. 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 t12 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 unique, non-repeated sample values.O B. 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 imposedon all data 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 beenimposed 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.

Accepted Answer

a)
Sample size is 50.
Degrees of freedom = n – 1 = 50– 1 = 49.