According to a report, the average length of stay for a hospital's flu-stricken patients is 4.8 days, with a maximum stay of 17 days, and a recovery rate of 98%. An auditor selected a random group of 162 of the hospital's flu-stricken patients. The average stay of the audited patients was 5.2 days, their maximum stay was 15 days, and their recovery rate was 96%. (a) For the hospital audit, identify the population and the sample. Population: (Choose one) Sample: (Choose one) (b) Choose whether each number described below is a parameter or a statistic for the hospital audit. X ك Number Parameter Statistic The average length of stay of 5.2 days among the auditor's random group of 162 of the hospital's flu-stricken patients О The maximum stay of 17 days among all of the hospital's flu-stricken patients The 98% recovery rate among all of the hospital's flu-stricken patients о о о

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