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The table below gives the performance of students in a test in percentage score. Using an assumed mean of 44.5, calculate a. The mean b. The standard deviation c....

The table below gives the performance of students in a test in percentage score.
fig1629320191034.png

Using an assumed mean of 44.5, calculate
a. The mean
b. The standard deviation
c. Find the median mark

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Kavungya
fig1729320191036.png
Kavungya answered the question on March 29, 2019 at 07:37

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