A group of friends get together every Sunday for a little pick-up hockey. The age of the 20 regulars is shown below. 21 25 26 46 28 22 42 38 22 38 49 44 55 33 45 31 24 43 25 37 Find the mean, median,...

A group of friends get together every Sunday for a little pick-up hockey.  The age of the 20 regulars is shown below.

1. Find the mean, median, and mode for the distribution (ungrouped data).


2. Which measure best describes these data?  Explain.


3. Group these data into six intervals and produce a frequency table.


4. Determine the mean, and median for a new set of grouped data.