Select the correct answer.
twenty students in class a and 20 students in class b were asked ho...
Mathematics, 14.12.2019 21:31, shmote12
Select the correct answer.
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.
Answers: 2
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oc ok β angle bisector of β boc find: mβ aok
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Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?
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