Multiply each weight w with its corresponding value x. It is used to describe the best estimate of a single number for a group of numbers. Average Sum of observations Number of observations The sum of observations candies is 20 25 15 60 The numbers of observations persons 3 So answer becomes 603 20.
It takes longer when there is break time or lunch so an average is not very useful.
It is also called the i½meani½. So the average speed for the whole journey is about 4444 mileshour. Average sum of the observations number of observations Or in other words we can write 58 11600 n. So the formula to find average distance is 2xy x y Step 3.