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Mathematics, 24.12.2019 19:31 madim1275

55 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 14 15
frequency 5 4 2 5 2 5 2 5 5 8 4 8

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 4 pairs of shoes? %

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