18. Brees and Wilson Quarterbacks not only need to have a good passing percentage, but they need to be consistent. That is, the variability in the number of passes completed per game should be small. The following table gives the number of completed passes completed for Drew Brees and Russell Wilson, quarterbacks for the New Orleans Saints and the Seattle Seahawks, respectively, during the 2017 NFL season.14 Use the TI-84 Plus output to answer the questions that follow

a. Do the data indicate that there is a difference in the variability in the number of passes completed for the two quarterbacks? Use a 5.01.

b. If you were going to test for a difference in the two population means, would it be appropriate to use the twosample t-test that assumes equal variances? Explain.

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Drew Brees 22 21 26 26 25 22 29 18 22222222 23 27 20 29 27 27 BTA22 Russell Wilson 18 24 14 26 14 27 17 24 20 21 20 29 26 23 14 NORMAL FLOAT AUTO REAL RADIAN MP 0102 2-SampFTest F=2.115648855 P=0.1581698317 Sx1 4.805812453 Sx2 3.304037934 X1 21.1875 x2=24.125 Jn1=16