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Confidence Interval for Skewed data?

Hello everyone,

I have a data distribution that is both negative and positive (it's the difference between two values) and it is not normally distributed by shapiro-wilk's test. Is there any way in JMP to calculate a confidence interval for skewed data?

Many thanks for your advice!

Basic Data Analysis and Modeling

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Quality and Process Engineering

Re: Confidence Interval for Skewed data?

Confidence interval for what estimate?

Re: Confidence Interval for Skewed data?

Hello,

Thanks for the replies so far. I'm a novice at stats and just want to do basic stats for simple clinical studies. I'd also like to stick to JMP as this is the only stats software I have.

I'd like a confidence interval for the mean and because the values are differences between other values, I have negative and positive values. I am interested especially if the interval crosses 0.

Thanks again!

Re: Confidence Interval for Skewed data?

I looked into bootstrapping (I have JMP pro) and I think this is the most appropriate. Thanks for all the suggestions!

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