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  • May 21, 2018 at 1:22 pm #43890
    Anthea Lon Yan Hui
    Participant

    I’m trying to calculate the probit with the equation: y = 1.5314x + 7.377.
    I have dose as 0.1 and death (%) as 80 (80 already seems wrong), and x = 47.43.
    Putting it through the calculator with x10^47.42, gave an extremely small number.

    I think I’m doing something really incorrect with my calculation somewhere.
    I need help with figuring out what went wrong, is my death (%) too high?

    May 22, 2018 at 12:17 am #43897
    Ken Rodgers
    Keymaster

    https://www.youtube.com/watch?v=dJBlDRQcNH8&feature=youtu.be

    Hi Anthea,
    Check out the video I made. Its in the LD50 resources link on UTS online. I explain the principle behind probit analysis and how to use the table.
    ken

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