Question

A testing firm has measured the power consumption of 40 dorm-size microwave ovens selected at random from the manufacturer’s production line. Given the following box-and-whisker plot, determine the approximate values for the median, the first and third quartiles, and the range. Does the distribution appear to be skewed? If so, is it positively skewed or negatively skewed?
A computer and statistical software will be desirable and useful. However, any necessary calculations can also be done with the aid of a pocket calculator. For readers using statistical software, keep in mind the file-naming key— for example, the data for Exercise 3.57 will be in data file XR03057.
In exercise


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  • CreatedSeptember 08, 2015
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