What is the mean of the data? 7, 15, 15, 23

The mean is 15.

Step-by-step explanation:

The answer is 15 because when you are trying to find the mean, you first add up all the numbers which was 60 and then you had to divide by how many numbers there are which there were 4 numbers and after you divide it, you get 15.

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.