Here is a list of eight integers 11 19 15 3 13 7 22 The value of x is three times the median of these eight integers.

Question

(a) Find the median. (b) Work out the numerical value of the mean of the eight integers.

Answer 1

put the integers in order from least to greatest

3, 7, 11, 13, 15, 19, 22

That's 7 integers, unless one of those 2 digit integers is actually 2 one digit integers run together

but with just 7 integers

the median is the middle integer, 13. 3 times 13 is 39 = x

the mean is the arithmetic average. The sum of all 7 integers, divided by 7

70 divided by 7 = 10 = mean