The sample data below shows the average wind speed for 36 days in a large city. Data: 8, 15, 9, 8, 9, 10, 8, 10, 14, 9,

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The sample data below shows the average wind speed for 36 days
in a large city.
Data: 8, 15, 9, 8, 9, 10, 8, 10, 14, 9, 8, 8, 12, 9, 8, 8, 14,
9, 9, 13, 13, 10, 12, 9, 13, 8, 11, 11, 9, 8, 9, 13, 9, 8, 8,
10.
1, The average wind speed for this data equals .
2, The median for this data equals .
3, The mode for this data equals .
4, The range for this data equals .
5, The standard deviation for this data equals .
6, The variance for this data equals .
7, The midrange for this data equals .
8, If we contruct an ungrouped frequency distribution (which
each value has its own class), the first class's boudaries
is to .
9, In the previous question, the class frequency equals