Answer:
Explanation:
Mean can simply be define as the average of a set of numbers.
$400 and $3,800 per year is spends on all types of insurance.
A= 400
B= $3,800
Using the formula:
u = a+b/2
=$400 +$3,800/ 2
=$4,200 /2
=$2,100
Therefore the mean amount spent on the insurance is $2,100