miltonogeda77 miltonogeda77

10-06-2020
Mathematics

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The table shows the scores of a biology test in Mrs. Smiths class . Find the mean of the data without Kim’s score.
A- 80
B- 87.2
C- 90
D- 84.5

The table shows the scores of a biology test in Mrs Smiths class Find the mean of the data without Kims score A 80 B 872 C 90 D 845 class=

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sarah27042 sarah27042

10-06-2020

To find the mean, you add up all the values and divide by how many there is. So... excluding Kim’s score there are 7 students scores. Now add all the scores up which will give you 611. 611/7 = 87.286

That will give you B

Hope this helps! :)

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10-06-2020

Answer:

87.2

Step-by-step explanation:

90+93+87+83+86+90+82=611

611/7=87.29

answer is b

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good job