Twenty students in class a and 20 students in class b were asked how many hours they took to prepare for an exam. the data sets represent their
answers
class a (2.5, 7, 6, 4, 3, 8, 7.4.5.7.6.3.5, 4.2.4.6.3.5)
class b: {3,7. 6. 4.3.2.4.5.6.7.2.2.2.3.4.5, 2, 2, 5, 6)
which statement is true for the data sets?
ě
nts in class a is less than students in class b
the mean study time of students in class b is less than students in class a
b.
c.
the median study time of students in class b is greater than students in class a
the range of study time of students in class a is less than students in class b
d.
e.
the mean and median study time of students in class a and class b is equal