Answer:
17.49286
Step-by-step explanation:
Photomath :)
Answer:
b
Step-by-step explanation: you really want this part bro?
Answer:
Step-by-step explanation:
cost
d1 85
d2 110
d3 135
d4 160
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:
The interior of a triangle = 180°
So 180° - 85° -50° = 45°
c. 45 degrees