Explain step by step please so I can understand the material for my test

70 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 5 6 7 8 9 10 11 12 13 14 15 Frequency 4 4 6 4 5 5 4 5 8 5 13 7 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: io) The third quartile is: What percent of the respondents have at least 9 pairs of Shoes? 12% of all respondents have fewer than how many pairs of Shoes? Hint: Using a Frequency Table k Video on Using the T184 for Statistics Given a Frequency Table ' [+]