Answer:
Step-by-step explanation:
Answer: Mean Absolute Deviation (MAD): 7
Step-by-step explanation:
Answer:
133
Step-by-step explanation:
its an obtuse angle
An=a1+(n-1)×d
1+(n-1)×5
1+5n-5
An= 5n-4
<span>(13.9 - 11.7)/(2006 - 1998) = 2.2/8 = 0.275 = 0.28 %</span>