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, 4,5,6,72,2,2,3,4,5, 2, 2,5,6)
which statement is true for the data sets?
a.
the mean study time of students in class a is less than students in
this b.
b.
the mean study time of students in class b is less than students in class a
c.
the median study time of students in class b is greater than students in class a
d.
the range of study time of students in class a is less than students in class b.
e.
the mean and median study time of students in class a and class b is equal