Why might a t test not be very useful in this case? Health Services Administration Suppose we

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Why might a t test not be very useful in this case? 


Health Services Administration

Suppose we want to compare the length of hospital stay for patients with the same diagnosis at two different hospitals. The results are shown in Table 9.10.

Table 9.10: Comparison of length of stay in 2 hospitals

First

hospital 21, 10, 32, 60, 8, 44, 29, 5, 13, 26, 33

Second

hospital 86, 27, 10, 68, 87, 76, 125, 60, 35, 73, 96, 44, 238

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