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Venn diagrams are used to sort sets of data. The probability of an event not happening uses the complement of the region on the Venn diagram. Count the number of elements in each region. Redraw the ...
Stem and leaf diagrams are formed by splitting the number into two parts, the ‘stem’ and the ‘leaf. For example: In the number 36, the tens would form the stem and the units the leaf. In the number ...
The Arithmetic Teacher, Vol. 16, No. 4 (APRIL 1969), pp. 308-310 (3 pages) ...