An insurance company is interested in the length of hospital-stays for various illnesses. The company has selected 15 patients from hospital A and 10 from hospital B who were treated for the same ailment. The amount of time spent in hospital A had an average of 2.6 days with a standard deviation of 0.8 day. The treatment time in hospital B averaged 2.2 days with a standard deviation of 1.2 day. Do patients in hospital A have significantly less variability in their recovery time? Test at 1% level of significance.