Answer:
Mean is 50
Step-by-step explanation:
20 + 30 + 40 + 50 + 60 + 70 + 80 = 350
350 / 7 = 50
Answer:
50
Step-by-step explanation:
Mean means average number which sum of all numbers divided how many numbers we are investigating
We are investigating 7 numbers
The total sum of these numbers are:
20 + 30 + 40 +50+ 60+70+80= 350
Mean = 350/7= 50
