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13-03-2019
Mathematics

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Calculate the mean and standard deviation for the class 99,60,82,78,93,71,68,86,80,95,72,64

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nanoazmi72 nanoazmi72

13-03-2019

Answer:

99+60+82+78+93+71+68+86+80+95+72+64=951/12 = 79.25

Step-by-step explanation:

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