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An insurance company is interested in the length of hospital-stays for various illnesses. The company has...

An insurance company is interested in the length of hospital-stays for various illnesses. The company has randomly selected 20 patients from hospital A and 25 from hospital B who were treated for the same ailment. The amount of time spent in hospital A had an average of 2.4 days with a standard deviation of 0.6 day. The treatment time in hospital B averaged 2.3 days with a standard deviation of 0.9 day. Do patients at hospital A have significantly less variability in their recovery time? Test at 0.05 significance level.

Math   Statistics-And-Probability   
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