Answer:
2396
Step-by-step explanation:
2675-279=2396
1) Mean
The mean is given by the sum of the data divided by the number of data (4, in this case):

2) Standard deviation
The standard deviation is given by:

where

is the mean, that we already found at point 1), and N=4. Substituting data, we have:

Tan x°= Opposite/ adjacent<span>so tan </span>x°=86
Answer:18
Step-by-step explanation: 18=2.3.3