The number of inches of snowfall for each of the days having snowfall in Milwaukee last winter were:

2, 4, 4, 2, 4, 2, 2, 4, 6, 7, 1, 2, 8, 1, 1, 5, 3, 1, 12, 1, 1, 4, 4, 1, 1, 1, 1, 4, 13, 2

1. Find the mean, median, and mode for the snowfall amounts in Milwaukee last winter .

(2. Make a frequency distribution for the snowfall amounts in Milwaukee last winter

3. Calculate the weighted mean for the snowfall amounts in Milwaukee last winter. \

4. Make a bar graph for the snowfall amounts in Milwaukee last winter.

5. Make a pie chart for the snowfall amounts in Milwaukee last winter.

6. Over the last 6 school years, the number of snow days were 4,2,1,2,3, and 1. Find the standard deviation in the number of snow days.