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Exercises
1. Take the following statistics exam scores and construct a frequency histogram for them
with classes from 50 to 59, from 60 to 69, from 70 to 79, from 80 to 89, and from 90 to 99.
95 80 76 87 67 83 77 54 78 69
95 63 71 96 84 73 57 98 92 76
54 90 90 69 92 68 93 93 85 96
82 57 95 73 55 72 55 71 84 81
2. Create a dot plot using the above data values.
Solutions
1. Enter the data into a list. In STAT PLOT turn one of the plots on, and choose a frequency
histogram as the type. Enter the name of your list for Xlist.
In WINDOW, set Xmin to 50, Xmax to 100,
Xscl to 10, Ymin to 0, and Ymax to 15. Press
GRAPH. Your graph should look like this:
2. The data is stored in L1. Type in the numbers 1-40 in L2. In STAT PLOT turn one of the
plots on, and choose a dotplot as the type. Press the ZOOM key. Press the number 9 key.
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