What can you say about the distribution of data In an experi

What can you say about the distribution of data?

In an experiment to find the effect of a drug, iron level of blood of 38 patients was recorded and following is the MINITAB output of probability plot of the data.

\"normalplot1.JPG\"

What can you say about the distribution of data?

Solution

In a normal distribution plot, the more linear the plot is, the more normal the distribution is.

Here, as you can see, almost all (except one) of the points are within the normal distribution.

Thus,

A   Data is normal because there is only one data point outside the confidence limits [OPTION A]

What can you say about the distribution of data? In an experiment to find the effect of a drug, iron level of blood of 38 patients was recorded and following is

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