Last Digits of Heights Example 1 in this section involved an analysis of the last digits of weights from a random sample of 100 Californians. Using those same subjects, the last digits of their heights are listed in the table below (based on data from the California Department of Public Health). Use a 0.05 significance level to test the claim that the sample is from a population of heights in which the last digits do not occur with the same frequency. The accompanying XLSTAT display results from the data in the table.

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Last Digit 0 1 2 3 4 5 6 7 8 9 Chi-square (Observed value) Chi-square (Critical value) 6.600 16.919 Frequency 12 8 14 9 11 9 13 8 11 5 DF 9 p-value alpha 0.679 0.05