Mean value is calculated to be 35.
Step-by-step explanation:
Mean value is generally defined as the central tendency of the given data.
It is found by dividing the sum of all the given data by the number of items.
[tex]\text { Mean }=\frac{30+31+32+33+34+35+36+37+38+39+40}{11}[/tex]
So the mean value was found by dividing 385 by 11 as,
[tex]\text { Mean }=\frac{385}{11}=35[/tex]
It was found as 35.