Math Circles - Statistics II
5:10 PM
Muhammad Yusuf
, Posted in
Grade 7 & 8 Math
Circles
October 27, 2010
Statistics II
1. Create a stem-and-leaf plot
and box and whisker plot to represent the following data.
80 83 92 97 81 73 71 84 91 86 76
79 98 91 93 76 70 80 89 81 84
85 86 94 92 73 76 79 80 94 97 70
75 74 92 93 83 80 74 72 82 73 92
2. Given the below diagram what
is the lower quartile, median, upper quartile, and range.
3. To the right is a graph
recording how many lengths of the pool student's swam in Mrs.Smyth's class. How
many students swam at least 24 lengths but less than 53?
4. Below is a diagram on how much
the Tham and Osbourne family spend on groceries each week. Which family has the higher median
spending?
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