A health club manager wants to determine whether the number of days per week that college students exercise is related to gender. A random sample of 275 college students is selected and the results are classified as shown in the table. At a 0.05, is there enough evidence to conclude that the number of days a student exercises per week is related to gender? Number of days of exercise per week Gender | 0-1 2-3 4-5 6-7 Total Male 40 53 26 6 125 Female 34 68 37 11 150 Total 74 121 63 17 275 Solution Here are the null and alternative hypotheses. Ho: The number of days of exercise per week is independent of gender. Ha: The number of days of exercise per week depends on gender. (Claim)