65 randomly selected students were asked the number of pairs of shoes they have. Let X represent the number of pairs of shoes. The results are as follows:

# of Pairs of Shoes 4 5 6 7 8 9 10 11 12 13

Frequency 6 6 12 4 8 8 7 1 9 4

Round all your answers to 4 decimal places where possible.

The mean is:

The median is:The sample standard deviation is:

The first quartile is:

The third quartile is:

What percent of the respondents have at least 12 pairs of Shoes?%

0% of all respondents have fewer than how many pairs of Shoes?