Select all the ways that can be used to determine whether a linear relationship is a proportional relationship.
2 answers:
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The mean is the sum of the given data divided by the number of the data
So we will add the data first
The sum of the times = 10 + 5 + 6 + 8 + 13 + 9 + 11 = 62
The number of students = 7
The mean is
Round it to the nearest tenth, then
The mean = 8.9
The mean travel time is 8.9