Two sections of statistics are offered, the first at 8 a. m. and the second at 10 a. m. The 8 a. m section has 25 women, and the 10 a. m. section has 15 women. A student claims this is evidence that women prefer earlier statistics classes than men do. What information is missing that might contradict this claim? Choose the best answer below.
A. The professor may be female in one class and male in the other, which could affect the female students class preference.
B. The age and class standing of the students is unknown. Older female students may prefer later classes, so it may be only younger female students who prefer earlier classes.
C. The percentage of female students in the two classes is unknown. There may be more females in the in the 8 a. m. because there are more students in the 8 a. m. class than the lo a. m. class. This claim could be true only if the classes were the same size.
D. No information is missing, this claim is true.