Question

3 cm, 7 cm, 7 cm, 7 cm, 9 cm, 11 cm, 12 cm what is the mean of the data set?

Answer 1

Answer: 8cm

Step-by-step explanation:

To calculate the mean , we will sum up all the data given and divide by the total number , that is

mean = $3+7+7+7+9+11+12 / 7$

$= 56/7$

$=8$

Therefore:

mean = $8cm$

Answer 2

Answer:

The mean for this question is 8.

Step-by-step explanation:

You add 3+7+7+7+9+11+12 which would equal 56then, you would divide it by how ever many numbers there are so in this case you would divide it by 7.