Solution: We are given below data:

Now to find the mean deviation, we use the below formula:

Where:
represents the summation
X, represents the observation.
represents the mean
N represents the number of observation.


Therefore, the mean deviation is:

= 4
Answer:
your photo dose not work
Step-by-step explanation:
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Answer: 
Step-by-step explanation:
Let the angle of depression be x.

I hope this helps you
-6x-6+2x+9
-4x+3
Hope this helps! Answer: k = 2f/p