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Help! Regression Project

  1. Nov 30, 2008 #1
    I have a regression project where I have to pick a real life situation data and answer questions.
    here is my data:

    18 data points were entered:
    4.00 4.20 4.50 4.60 4.60 4.70 4.90 5.10 5.40 5.50 5.60 5.60 5.80 6.00 6.10 6.80 6.90 7.50

    Mean = 5.43

    95% confidence interval for actual Mean: 4.951 thru 5.916

    Standard Deviation = 0.971

    Hi = 7.50 Low = 4.00

    Median = 5.45

    Average Absolute Deviation from Median = 0.767


    SO One of my questions require me to make a Bell Curve. According to my data I can't.. because I have two medians. I read online that when you have two medians it forms a Bimodal curve. I am so confused because in math B2 they only teach you about the Normal curve. Please help!
     
  2. jcsd
  3. Dec 4, 2008 #2
    You have only one median, 5.45.

    EnumaElish
     
  4. Dec 4, 2008 #3

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    Did you mean two modes?
     
  5. Dec 6, 2008 #4

    ssd

    User Avatar

    Is the data from a 'discrete variable' or a 'continuous variable'?
     
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