Jackie has six brothers. There are two set of twins. Their ages are 21, 15,15, 7,7 and 2. Calculate the mean, median, mode of their ages. Is there special about the mode? Explain.
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Step-by-step explanation:
Mean=21+15+15+7+7+2=67
67/2=33.5
Median=Ascending order-2,7,7,15,15,21
=15+7/2=11
Mode=15 and 7
Special about the mode is that two no.s are the mode
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