The average length of short hospital says for men is slightly longer than that for women, 5.2 days versus 4.5 days. A random sample of recent hospital stays for both men and women revealed the following. ar alpha = 0.01, is there sufficient evidence to conclude that the average hospital for men is longer than the average hospital stay for women?  sample size  Men  32 Women  30 Sample mean  5.5 days  4.2 days  Sample standard deviation  1.2 days  1.5 days

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