Note: A complete hypothesis test includes H0, Ha, test statistic value, rejection region, (or p-value), decision and conclusion.
CH.8:
1. The length of stay (in days) in hospital for 100 randomly selected patients are presented in the table. Based on the following SPSS output, conduct a test of hypothesis to determine if the true mean length of stay (LOS) at the hospital is less than 5 days. Use significance level .
LOS for 100 hospital patients
2, 3, 8, 6, 4, 4, 6, ………, 10, 2, 4, 2
SPSS output for HOSPLOS,
One-Sample Statistics
N
Mean
Std. Deviation
Std. Error Mean
LOS
100
4.53
3.678
.368
One-Sample Test
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