Find the probability of a student being 34 years old or younger. Express your answer as a percent
1 answer:
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The mean score when the outlier removed is 8.
<u>Step-by-step explanation:</u>
The number of quiz scores were 15.
The scores are 3,6,7,7,7,7,8,8,8,8,8,9,9,10,10.
That is he scored 4 times 7, 5 times 8, 2 times 9 and 10.
The mean .
Here .
.
m= 7.67.
If outlier 3 is removed then remaining score are 6,7,7,7,7,8,8,8,8,8,9,9,10,10.
The number of quiz scores will be 14
The mean .
Here .
.
m= 8.
The mean score when the outlier removed is 8.