Respuesta :
The mid-range of our given data set is 7.8 hours.
What is mid range?
The mid-range is the mid-way between the least value and the greatest value of the data set or it is average of least and greatest data points.
We have been given a a data set which represents the number of hours Bill spent exercising each week. We need to find the mid-range of our given data set.
Our data set is 7.4, 6.7, 7.4, 7.4, 7.6, 8.0, 6.6, 8.0, 8.4, 7.4, 8.8, 6.7, 8.0, 9.0, 7.6
Let us arrange our given data in ascending order;
6.6, 6.7, 6.7, 7.4, 7.4, 7.4, 7.4, 7.6, 7.6, 8.0, 8.0, 8.0, 8.4, 8.8, 9
Here We can see that 6.6 is the least data point and 9.0 is the greatest data point of our given data set.
mid-range = 6.6 + 9/ 2
mid-range = 15.6/2
mid-range = 7.8
Therefore, the mid-range of our given data set is 7.8 hours.
Learn more about mid range here;
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