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Please, I need it quick.

Please, I need it quick.-example-1
User Jimmy Ko
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Mean absolute deviation around the mean

Mean for set 1 equals: (20+24+40+63+76+89)/6 = 312/6 = 52
Mean for set 2 equals: (41+50+58+62+72+83)/6 = 366/6 = 61

Mean absolute deviation around the mean for set 1 equals:
( |20 - 52| + |24 - 52| + |40 - 52| + |63 - 52| + |76 - 52| + |89 - 52| )/6 = (32 + 28 + 12 + 11 + 24 + 37)/6 = 144/6 = 24

Mean absolute deviation around the mean for set 2 equals:
( |41 - 61| + |50 - 61| + |58 - 61| + |62 - 61| + |72 - 61| + |83 - 61| )/6 = (20 + 11 + 3 + 1 + 11 + 22)/6 = 68/6 = 11,334

MAD for City 2 is bigger than the MAD for City 1, which means the average monthly temperatures of City 2 vary more than the average temperatures for City 1
User Pedrobern
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