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?
a.
the mean study time of students in class a is less than students in class 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
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