The data below shows commuting times (in minutes) from a random sample of 20 employees who work at a company.

x = c(43,34,43,45,45,49,42,45,39,33,36,28,40,45,45,33,34,45,36,46)

Data set, ctime.csv, can be downloaded.

1. Find the sample mean.

   42.5 40.3 41.5

2. Find the sample median.

   42.5 40.3 41.5

3. Are there outliers?

   No Yes

4. Find the first quartile.

   36 34

5. Find the description which best fits the shape of distribution.

   left-skewed right-skewed symmetric