Arianna gathered data about the distance of 20 cities from the equator and the average hours of sunlight per day in December for
2 answers:
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Considering the range of the data-set, it is found that:
- The lower limit is of 2.75 volts.
- The upper limit is of 4.05 volts.
- The range of a data-set is given by the <u>difference between it's highest and it's lowest value</u>.
In this problem, we consider the distribution symmetric around the mean of 3.4 volts, with the range of 1.3 volts meaning that the difference between the <u>highest voltage and the lowest </u>is of 1.3 volts.
Thus, the control limits are:
These are, respectively, the lower and upper limits.
A similar problem is given at brainly.com/question/13202035