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tana
Group Title
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.)
 2 years ago
 2 years ago
tana Group Title
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.)
 2 years ago
 2 years ago

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sheg Group TitleBest ResponseYou've already chosen the best response.1
first find out the average
 2 years ago

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

sheg Group TitleBest ResponseYou've already chosen the best response.1
how you have calculated the average???
 2 years ago

sheg Group TitleBest ResponseYou've already chosen the best response.1
average is total / number
 2 years ago

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

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

sheg Group TitleBest ResponseYou've already chosen the best response.1
so average is???
 2 years ago

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

sheg Group TitleBest ResponseYou've already chosen the best response.1
tana do u know about variance
 2 years ago

sheg Group TitleBest 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
 2 years ago

sheg Group TitleBest ResponseYou've already chosen the best response.1
is this your variance???
 2 years ago
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