a classroom is arranged with 10 seats in the front row 12 seats in the middle row and 18 seats in the back row the teacher rando
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Mean:
The mean of a data set is commonly known as the average. You find the mean by taking the sum of all the data values and dividing that sum by the total number of data values. The formula for the mean of a population is
The formula for the mean of a sample is
Both of these formulas use the same mathematical process: find the sum of the data values and divide by the total. For the data values entered above, the solution is: