Recent content by taffyleg

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    Calculate Wheat Field Yields: Mean of 10 Tons/Acre with 2 SD - Practice Problem

    I'm hoping the answer is 68. I don't understand at what point you differentiate betwen multiplying by 95.4% or 68.3%.
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    Calculate Wheat Field Yields: Mean of 10 Tons/Acre with 2 SD - Practice Problem

    For a sample of 100 wheat fields, the mean yield was 10 tons/acre and the standard deviation 2. Approximately how many fields out of the 100 should have yields in the 8 to 12 ton range? Show work.
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    Calculating Wheat Field Yield Variance: A Quick Statistics Problem

    For a sample of 100 wheat fields, the mean yield was 10 tons/acre and the standard deviation 2. Approximately how many fields out of the 100 should have yields in the 8 to 12 ton range? Show work.
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