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The marks obtained by 8 students in a mathematics test are: 15, 20, 25, 25, 30, 35, 40, 50. Find mean.

A33

B32

C33.5

D30

Answer:

D. 30

Read Explanation:

Mean = Sum/ number = (15 + 20 + 25 + 25 + 30 + 35 + 40 + 50)/8 = 240/8 = 30


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The table below shows that employees in an office , sorted according to their age. Find the median:

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image.png

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