The Arithmetic Vary of a set of knowledge is the distinction between the very best and lowest values within the set.
Arithmetic Vary is outlined and given by the next operate:
The place −
- = Largest merchandise
- = Smallest merchandise
That is an absolute measure. The relative measure known as as coefficient of vary is given by
Cheryl took 7 math exams in a single marking interval. What’s the vary of her take a look at scores and coeff.of vary?
Ordering the take a look at scores from least to biggest, we get:
The Vary of those take a look at scores is 21 factors and coeff. of vary is 0.1257 factors.