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Ten friends scored the following marks in their end-of-year math exam:
23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%
What was the mean deviation of their marks?

Ten friends scored the following marks in their endofyear math exam 23 37 45 49 56 63 63 70 72 and 82 What was the mean deviation of their marks class=

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GreenPlant22

Answer:

Given that  

Marks of ten friends

   23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%

Mean = 56

Variance = 284.6

Standards deviation = 16.9