Question

1. + -/24 points UHStat5 4.E.041. My Notes + Ask Your Teacher Researchers studied a random sample of high school students who participated in interscholastic athletics to learn about the risk of lower-extremity injuries (anywhere between hip and toe) for interscholastic athletes. Of 1002 participants in girls' soccer, 73 experienced lower-extremity injuries. Of 1668 participants in boys' soccer, 159 experienced lower-extremity injuries. (a) Write a two-way table of observed counts for gender and whether a participant had a lower-extremity injury or not. Gender Had Injury No Injury Total Girls Boys Total (b) Determine a two-way table of expected counts for these data. (Round the answers to one decimal place where it is needed.) Gender Had Injury No Injury Total Girls Boys Total (c) Show calculations verifying that the value of the chi-square statistic is 4. -144.9)2/144.9 + (1509- Chi-square = (73-87.1)2/ 02/ + (929- = 2.28 +0.22 + 12/914.9 +0 + 0.13 = 4 Need Help? Read It Watch It Talk to a Tutor