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Math Help - Finding the midpoints and mean

  1. #1
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    Finding the midpoints and mean

    The Acme Chocolate Factory produces 40 different types of chocolate candies. An individual sample of each candy was weighed tot he nearest gram.
    weight - Types of candies
    0-4 - 7
    5-9 - 14
    10-14 - 10
    15-19 - 4
    20-24 - 2
    25-29 - 3
    The midpoints: 2, 7, 12, 17, 22, 27
    Mean: On the cal. I type midpoints into L1 and Candies L2. It comes to 10.63.
    Standard Deviation: 7.07
    Variance: 7.07^2 = 49.98
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  2. #2
    MHF Contributor
    Grandad's Avatar
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    South Coast of England
    Posts
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    Hello rowdy3
    Quote Originally Posted by rowdy3 View Post
    The Acme Chocolate Factory produces 40 different types of chocolate candies. An individual sample of each candy was weighed tot he nearest gram.
    weight - Types of candies
    0-4 - 7
    5-9 - 14
    10-14 - 10
    15-19 - 4
    20-24 - 2
    25-29 - 3
    The midpoints: 2, 7, 12, 17, 22, 27
    Mean: On the cal. I type midpoints into L1 and Candies L2. It comes to 10.63.
    Standard Deviation: 7.07
    Variance: 7.07^2 = 49.98
    Your answers look fine to me!

    Grandad
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