2 answers:
The first you have to divide by 8 then add up all
Step-by-step explanation:
I'll just try to help, I'm not so sure
without outlier
mean = (2+8+5+6+20+7)/6
mean= 48/6
mean= 8
with outlier
mean=(4+2+8+5+6+20+7+9)/8
mean=61/8
mean=7.63
without outlier
median=11/2=5.5
with outlier
median=11/2=5.5
without outlier
mode=0
with outlier
mode=0
without outlier
range=20-2=18
with outlier
range = 18
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