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Un article trouvé pour ce sujet.
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The average age of 300 cars |
2011-11-22 |
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Jason pose la question :
I have 300 used cars built from 1970 to 1980, I would like to know the average
age by total volume. If I provide the qty built per year, can I determine the average age of the lot (300) by total volume?
| Total built |
50 |
56 |
30 |
10 |
30 |
25 |
64 |
9 |
12 |
14 |
| Year built |
1971 |
1972 |
1973 |
1974 |
1975 |
1976 |
1977 |
1978 |
1979 |
1980 |
Thanks
Penny Nom lui répond. |
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