Mathematics, 14.12.2019 16:31 randall10
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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Mathematics, 21.06.2019 20:10
21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)
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