atredmond atredmond

03-11-2020
Mathematics

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Review
I have graded a quiz for 12 students in my class. Their stores (out of 10 points) are as mentioned below:
6,4,4,6, 6, 8, 7,5, 8, 7,5, 6
I realize that I made a grading error so I add 2 points to every student's quiz score. How does this affect my
calculation of mean.

Respuesta :

monsterdoll29 monsterdoll29

03-11-2020

Answer:

The mean increased

Step-by-step explanation:

The mean is the average, add all numbers and divide by total amount.

Old mean: 6

New mean:8

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