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) x= 17.598 Sx = 16.01712719 n= 50 E...

Extracted 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) x= 17.598 Sx = 16.01712719 n= 50 E Click the icon to view a t distribution table. a. What is the number of degrees of freedom that should be used for finding the critical value t,/2? df = Critical t values (Type a whole number.) b. Find the critical value t2 cotresponding to a 95% confidence level. t Distribution: Critical t Values (Round to two decimal places as needed.) Left tall Ara n One Tal 0.005 0.01 0.025 0.05 0.10 Araa la Two Tals Degrees of Degrees of Friedom 0.01 0.02 0.05 0.10 020 Freedom 3.657 31.821 12.706 6.314 3.078 1 6.005 4.303 2.020 1.886 2 2 9.925 4.541 3.182 2.353 1.638 S.41 3.747 2.776 2.132 1.533 4.404 2.571 2.015 106 4.032 3.707 3143 2.447 1.943 1.440 3.400 2.008 2.365 1.805 1.415 2.000 2.300 1.800 1.307 3.355 2.22 1.833 1.383 Critical t value Inegative) 3.250 2.821 2.764 2.220 1.812 1.372 10 10 3.100 2.718 2.201 1.700 1.363 11 11 3.100 2.170 1.782 1.356 12 12 3.055 2.1 1.771 1.350 13 13 3.012 2.050 2.100 2.145 1.701 1345 14 14 2.977 2.24 1.753 1341 15 2.947 2.002 2.131 Right tal 15 2.120 1740 1.337 16 16 2.921 2.583 1740 1.333 17 17 2.000 2.507 2.110 2.101 1.734 1.330 18 18 2.878 2.562 1.729 1.328 19 19 2.801 2.539 2.003 1.725 1.325 20 20 2.45 2.52 2.088 2.000 1721 1.323 21 21 2.831 2.518 1.717 1.321 22 22 2419 2.500 2.074 1.714 1.319 23 23 2.807 2.500 2.000 Enter your answer in each of the answer boxes. 1.711 1.318 24 24 2.797 2402 2.064 1.316 25 25 2.787 2485 2.000 1.708 MacBook Air DII 12 888 80 F7 F6 FS F4 F3 esc F2 F1 @ # 7 8 9 6 1 2 3 4 P Y U Q W E R tab 11 K S D F G .. .-