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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.)
 one year ago
 one year 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.)
 one year ago
 one year ago

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shegBest ResponseYou've already chosen the best response.1
first find out the average
 one year ago

shegBest ResponseYou've already chosen the best response.1
@tana you are required to calculate the average first
 one year ago

shegBest ResponseYou've already chosen the best response.1
how you have calculated the average???
 one year ago

shegBest ResponseYou've already chosen the best response.1
average is total / number
 one year ago

tanaBest ResponseYou've already chosen the best response.0
duhh i added them to get the "TOTAL NUMBER "
 one year ago

shegBest ResponseYou've already chosen the best response.1
\[Average = {{15+22+36+30+38+21 }\over{6}}\]
 one year ago

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

shegBest ResponseYou've already chosen the best response.1
tana do u know about variance
 one year ago

shegBest ResponseYou've already chosen the best response.1
Miles/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
 one year ago
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