5. Let us apply the formula to some numbers. The following are the durations in minutes of a series of telephone calls. You want
to know the mean duration of the calls.
µ ═ ∑ X
n
Duration of calls: 12.3, 18.2, 33.1, 9.1, 7.3, 10.4, 11.5, 4.5, 8.9, 3.3
1 answer:
Answer: The mean is 11.86
Step-by-step explanation:
Add all the numbers and divide by however many numbers there are. In this case there are 10 numbers
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Your answer is 18 :)
work:
pi(2)d
pi(72)
72/2=36=d
2r=d
36/2=18=r
2) 60 because it's the one that appear the most
Step-by-step explanation:
220000/100=2200*0.49=789
0.0000021 you need to divide 2.1 by 10^6
Answer:
3 hundredths or .03
Step-by-step explanation:
