a group of customer service Survey were sent out at random.The scores were 90,50,70,80,70,60,20,30,80,90 and 20.And the mean score
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Answered by
1
Answer:
the mean score is 90+50+70+80+70+60+20+30+80+90+20 divided by 11
the answer is 60
Answered by
0
Answer:
54.545454......
Step-by-step explanation:
Given,
Data = 90,50,70,80,10,60,20,30,80,90,20.
mean = sum of observations/no.of observations
=90+50+70+80+10+60+20+30+80+90+20/11
= 600/11
=54.545454....
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