40 randomly selected students were asked how many siblings were in their family. Let X represent the number of pairs of siblings in the student's family. The results are as follows: # of Siblings Frequency 0 1 2 3 4 5 8 4 5 8 9 6 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 1 siblings? % 43% of all respondents have fewer than how many siblings?