# Classify each of the following random variables as discrete or continuous. X = the pH of a water sample that has been randomly selected from a stream.

Classify each of the following random variables as discrete or continuous. X = the pH of a water sample that has been randomly selected from a stream.
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Elias Keller
DEFINITIONS
Discrete data are restricted to defined separated values with a finite or countable number of different possible values, for example integers or counts.
Continuous data are not restricted to defined separate values, but can occupy any value over a continuous range, for example decimal, rational or real numbers.
SOLUTION
X=pH of water
The pH of water typically takes on values from 0 to 14.
Moreover, the pH can take on decimal values (such as 7.5) and thus the random variable is continuous.
Result:
Continuous.