Find the mean of the following data 17,23,57,46,33,29,28,30,34,if observation 23 is removed from data find new mean
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Answer:
33, 34.25
Step-by-step explanation:
17+23+57+46+33+29+28+30+34
_________________________
9
= 297
____
9
= 33 ans.
297 - 23
= 274
= 274
_____
8
= 34.25 ans.
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