Once you have the new variable coded, it will be straightforward to compute the average or any other statistics you need. One question is whether it is more important to avoid overestimates, or underestimates, and another is what you know about the underlying population - are there likely to be many people over the age of 68 in your sample? However, arguments could be made for many other values. 500, the Bonferroni-adjusted p-value reported would be 1.000 and not 1.500, which is the product of. With respect to the previous example, this means that if an LSD p-value for one of the contrasts were. The reason for this is that probabilities cannot exceed 1.
#How to calculate p value in spss 16 code
My recommendation, in the absence of context, would be to code it as 63 - that is, 5 above the minimum of the range, which is what you will be doing for each of the other ranges. If the p-value is significant and the odds ratio is above 1.0 along with the confidence interval, then the treatment. In such cases, the Bonferroni-corrected p-value reported by SPSS will be 1.000.
#How to calculate p value in spss 16 how to
There is no perfect solution about how to handle the "58 and up" range and partly your method depends on what you need the answer for. Use "RECODE INTO DIFFERENT VARIABLES" to code the text "18-27 years old" to the number 23, and so forth. 23 for the 18-27 year olds, given that they could be anywhere up to almost 28 years old). The most common method for the ranges with beginning and end points is to take the middle value (e.g. Typically we’re interested in the area to the right of the F statistic, so in this case the p-value would be 1 0.78300 0.217. This is the area to the left of the F statistic in the F distribution. This tells us that the cumulative probability is 0.78300. Your first step should be to decide how you would like to handle the value of a given range. The calculator will automatically find this value for you. While there is no surefire way to compute the mean, any method you use will require some recoding.
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