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tana
 3 years ago
A local car dealership advertises cars that get the following miles per gallon:15, 22, 36, 30, 38, 21
Find the variance. (Round your answer to the nearest hundreth.)
tana
 3 years ago
A local car dealership advertises cars that get the following miles per gallon:15, 22, 36, 30, 38, 21 Find the variance. (Round your answer to the nearest hundreth.)

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sheg
 3 years ago
Best ResponseYou've already chosen the best response.1first find out the average

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1@tana you are required to calculate the average first

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1how you have calculated the average???

tana
 3 years ago
Best ResponseYou've already chosen the best response.0duhh i added them to get the "TOTAL NUMBER "

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1\[Average = {{15+22+36+30+38+21 }\over{6}}\]

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1\[Average = {{15+22+36+30+38+21 }\over{6}}={{162}\over{6}}=27\]

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1tana do u know about variance

sheg
 3 years ago
Best ResponseYou've already chosen the best response.1Miles/Gallon Deviation Deviation^2 15 12 144 22 5 25 36 9 81 30 3 9 38 11 121 21 6 36 27=average variance= 69.33333333
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