Question

Find the mean of the data in the bar chart below.

Answer 1

12.

Explanation:

• 12 + 13 + 14 + 9 = 48
• 48 / 4 = 12
• The mean of the data is 12.

Answer 2

12

Explanation:

The mean is also the average.

Add up all the number of students all together:

12+13+14+9

48

Now, Divide the total amount of students (48) by the amount of numbers you added (in this case, 48/4 because we added 4 numbers wich are 12+13+14+9)

The average amount of students is 12