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Statistically analysing data

  • 22-02-2020 9:11pm
    #1
    ShyWho12
    Registered Users, Registered Users 2 Posts: 8 ✭


    Hi,

    I am conducting an experiment where I am assesing 4 groups undergoing 2 treatments. 3 groups have recieved same treatment and 1 group has recieved the other treatment. I have averaged values of the 3 groups. It is a pre and post experiment. I want to compare the data for both pre groups. After testing their normality one group is normal the other is not. Would someone be able to tell me if I should conduct a non parametric test on this data to compare? Such as Kruskal-Wallis?

    Or is there another way of making the second data set normal other than using a transformation?

    Thank you!


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