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how to calculate geometric mean in spss. A good example is to add the suffix _avg to the variable name to signify that it is a mean. Calculate the weighted sum of the squares of the differences of the observations in a simple random sample from the sample mean divide the result obtained in 1 by an estimate of the population size minus 1.
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Group Mean log_mBMI Geometric Mean mBMI Normal 13988 250496 SGA 13440 220800 12. The values will be on your results sheet. Open Compare Means Analyze Compare Means Means.
From your data table click the Analyze button and select Column Statistics.
From your data table click the Analyze button and select Column Statistics. How can i calculate 95 confidence interval of geometric mean with SPPS. Open Compare Means Analyze Compare Means Means. Geometric Mean 4th root of 1100 X 1 X 30 X 13000 4th root of 429000000 Geometric Mean 1439 Incidentally substituting 19 for the less than value results in a geometric mean of 1690 which is nearly statistically different alpha005 using a t-test using the substituted value 10.
