Displaying 1 result from an estimated 1 matches for "region_16".
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2011 Oct 11
3
Chi-Square test and survey results
...egion_9 858 177
Region_10 851 160
Region_11 336 52
Region_12 1823 312
Region_13 80 9
Region_14 774 121
Region_15 561 24
Region_16 834 134
How well does the survey represent the employee population?
Chi-square test says, not very well:
> chisq.test(ByRegion)
Pearson's Chi-squared test
data: ByRegion
X-squared = 163.6869, df = 15, p-value < 2.2e-16
By striking three under-repres...