How does Alex Smith, quarterback for the Kansas City Chiefs, compare to Joe Flacco, quarterback for the Baltimore Ravens

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How Does Alex Smith Quarterback For The Kansas City Chiefs Compare To Joe Flacco Quarterback For The Baltimore Ravens 1 (94.8 KiB) Viewed 57 times

How does Alex Smith, quarterback for the Kansas City Chiefs, compare to Joe Flacco, quarterback for the Baltimore Ravens? The following table shows the number of completed passes for each athlete during the 2017 NFL football season. Alex Smith Joe Flacco 25 27 29 25 22 19 23 25 27 29 34 31 2014 16 26 10 8 1925 21 20 27 25 23 19 28 23 24 9 20 + 2-SampTTest ul. H2 t = 0.3250234901 P = 0.7474965338 df = 29 x1 = 22.73333333 x2 - 22 Sxl = 4.463609473 Sx2 = 7.589466384 (a) The TI-84 Plus analysis uses the pooled estimate of o?. Is the assumption of equal variances reasonable? Why or why not? Yes, because the ratio of the larger variance to smaller variance is less than 3. Yes, because the ratio of the larger variance to smaller variance is more than 3. O No, because the ratio of the larger variance to smaller variance is not equal to 1. O No, because the ratio of the larger variance to smaller variance is less than 3. O No, because the ratio of the larger variance to smaller variance is more than 3. (b) Do the data indicate that there is a difference in the average number of completed passes for the two quarterbacks? Test using a = 0.05. (Use Hy for the population mean for Alex Smith and Ny for the population mean for Joe Flacco.)
(b) Do the data indicate that there is a difference in the average number of completed passes for the two quarterbacks? Test using a = 0.05. (Use w, for the population mean for Alex Smith and uy for the population mean for Joe Flacco.) State the null and alternative hypotheses. O Ho: (wy - H2) = 0 versus Hg: (, - u) < 0 O Ho: (41 - H2) = 0 versus Ha: (41 - H2) = 0 O Ho: (41 - My) # O versus Hg: (M1 - H2) = 0 O HO: (41 - 42) < 0 versus Ho: (41 - 42) > 0 O Ho: (41 - H2) = 0 versus H: (41 - 42) > 0 State the test statistic. (Round your answer to three decimal places.) t = State the rejection region. (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.) State the conclusion, O Ho is not rejected. There is sufficient evidence to indicate that the average number of completed passes is different for Alex Smith and Joe Flacco. O Ho is not rejected. There is insufficient evidence to indicate that the average number of completed passes is different for Alex Smith and Joe Flacco. O Ho is rejected. There is insufficient evidence to indicate that the average number of completed passes is different for Alex Smith and Joe Flacco O Ho is rejected. There is sufficient evidence to indicate that the average number of completed passes is different for Alex Smith and Joe Flacco. (c) What is the p-value for the test? (Round your answer to three decimal places.) p-value = (d) Use the information provided along with the pooled variance, s2 = 39.4115 to construct a 95% confidence interval for the difference in the average number of completed passes for the two quarterbacks. (Round your answers to three decimal places.) passes to passes