$[-/14$ Points$]$

MENDSTATC$41.$E$\mathrm{.}030.$

customers. To find the distribution of customer service times, a sample of $1000$ customers' service times was recorded. Sixty of these are shown here.

$($a$)$ Construct a stem and leaf plot for the data. $($Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.$)$

$($b$)$ What fraction of the service times are less than or equal to $1$ minute?

$($c$)$ What is the smallest of the $60$ measurements?

min