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Math Help - mean amount?

  1. #1
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    Angry mean amount?

    22 tomato plants produce a mean of 5.5kg of tomatoes per plant.
    15 other plants produce a mean of 4kg. of tomatoes.
    what is the mean produced by the 35 plants/
    answer to one decimal place.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by starslacker View Post
    22 tomato plants produce a mean of 5.5kg of tomatoes per plant.
    15 other plants produce a mean of 4kg. of tomatoes.
    what is the mean produced by the 35 plants/
    answer to one decimal place.
    Total weight of toms from the 22 plants=5.5*22=121kg
    Total weight of toms from the 15 plants=4*15=60kg

    Grand total of toms = 121+60=181kg.

    Therefore the grand mean for the 37 plants=181/37=4.9 kg/plant.

    RonL
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