Randomly selected 90 student cars have ages with a mean of 7.4 years and a standard deviation of 3.4 years, while randomly selected 55 faculty cars have ages with a mean of 5.9 years and a standard de
a. The mean age of student cars is significantly higher than faculty cars.
b. The mean age of student cars is significantly lower than faculty cars.
c. There is no significant difference in the mean age between student and faculty cars.
d. The age distribution of the cars cannot be determined from the given information.