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Mathematics, 31.08.2020 01:01 daniel195

Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers owned. The results are as follows. X Frequency
1 2
2 4
3 7
4 13
5 13
6 1
Find the sample mean x. (Round your answer to two decimal places.)
Find the sample standard deviation, s. (Round your answer to two decimal places.)
Complete the columns of the chart. (Round your answers to three decimal places.)
X Frequency Relative Frequency Cumulative Relative Frequency
1 2
2 4
3 7
4 13
5 13
6 1
Find the first quartile.
Find the median.
Find the third quartile.
What percent of the students owned at least five pairs? (Round your answer to one decimal place.) %
Find the 40th percentile.
Find the 90th percentile.

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