A researcher wants to determine if the number of minutes spent watching television per day is independent of gender. A random sample of 315 adults was selected and the results are shown below. Find the critical value

to determine if there is enough evidence to conclude that the number of minutes spent watching television per day is related to gender. Use α = 0.05.

◦ 11.345
◦ 7.815
◦ 6.251
◦ 9.348