A study investigated the length of stay in hospital (in days) for 202 people who had surgery at a hospital in Sydney.
The following summary statistics were computed.

Mean: 6.5 days
Median: 5 days
Minimum: 1 day
Maximum: 32 days
1st Quartile: 2 days
3rd Quartile: 9 days.
Standard deviation: 6.2 days

Based on these summary statistics, which of the following is correct?

Question

A study investigated the length of stay in hospital (in days) for 202 people who had surgery at a hospital in Sydney. 
 The following summary statistics were computed. 
 
 Mean: 6.5 days 
 Median: 5 days 
 Minimum: 1 day 
 Maximum: 32 days 
 1st Quartile: 2 days 
 3rd Quartile: 9 days. 
 Standard deviation: 6.2 days 
 
 Based on these summary statistics, which of the following is correct?

Answer

The data are symmetric about the mean because the mean is larger than the median.

Answer

The data are negatively skewed because the mean is larger than the median.

Answer

The data are positively skewed because the mean is larger than the median.

Answer

The data are symmetric about the mean because the mean and standard deviation are close.

Crowdly

A study investigated the length of stay in hospital (in days) for 202 people w...

Want instant access to all verified answers on moodle.telt.unsw.edu.au?