Chlorine is added to city water to kill bacteria. In a certain year, chlorine content in water

Question:

Chlorine is added to city water to kill bacteria. In a certain year, chlorine content in water from the Lake Huron Water Treatment plant ranged from 0.79 ppm (parts per million) to 0.92 ppm.
(a) Use the midrange as a measure of center.
(b) Use the Empirical Rule to estimate the standard deviation.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question
Question Posted: