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I just need help with b
I got 2 for the absolute deviation is that correct?
it is 2
so you was correct
can you show me how you know?
what did you get for the mean?
first you add all of the numbers which was 16 and then divide by how many people there was which was 8 so 16 divided by 8 is 2
thats the mean 2
for the part a i got 2
to get the mean absolute deviation you add up the absolute differences of each value from the mean . Add these values then divide by 8
1 2-1 = 1 3 3 -2 = 1 2 2 -2 = 0 2 2 - 2 = 0 and so on
i did this to find the absolute deviation 1-2+3-2+2-2+2-2+1-2+3-2+3-2+1-2
so all that above 8
Hmm to be honest i'm not sure I'll have to check
same im confused im going to go over it again and you tell me how you it so we can compare
right - you take ABSOLUTE values so for instance first values is 1: 1 - 2 = -1 The absolute value of -1 is 1. so there are no negatives
so 6/8 is not correct
i was doing something else what
oh hold on it does work out to 6/8 it is 1+ 1 +0+ 0 + 1+ 1+1 + 1 = 6 so 6/8 or 3/4
what you wrote 1-2+3-2+2-2+2-2+1-2+3-2+3-2+1-2 = 0