I have the following SAS statement that yields a 0 for std error of mean and sum. I am trying to understand why. Any help would be appreciated. I was able to get output if I set varmethod to jackknife. Does that help? Thanks. data sales_str_sizes;
input str_sales _total_;
datalines;
1 425
2 20
3 6
4 2
5 2
6 2
7 43
;
proc surveymeans data=sales_neyman mean sum clsum clm total=sales_str_sizes;
var sales;
weight SamplingWeight;
strata str_sales;
title "Neyman Allocation for Sales";
run;
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