57 randomly selected students were asked the number of pairs ofshoes they have. Let X represent the number of pairs of shoes. Theresults are as follows:
# of Pairs ofShoes | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
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Frequency | 7 | 9 | 7 | 5 | 9 | 3 | 8 | 9 |
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Round all your answers to 4 decimal places wherepossible.
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 7 pairs of Shoes?______%
13% of all respondents have fewer than how many pairs of Shoes?__________