Exercise: Standard deviation of FEV1 data

The file fev.sav contains the 57 FEV1 measurements used in the lecture.

Download the file and read it into SPSS.

Questions

1. Using SPSS, find the mean, standard deviation, and variance of FEV1.

Check suggested answer 1.

2. Report these to two decimal places.

Check suggested answer 2.

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Last updated: 16 October, 2006.

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