What is the range of this data 3.3, 4.5, 6.7, 1.5, 11.6, 4.5, 11.7, 8.5, 3.2, 6.7,7.9
1 answer:
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The number of permutations of the 4 different letters, taken two at a time, is given by:
x 12
the 12 in the numerator (top) and the 12 in the denominator (bottom) cross out so you are left with 50.
Answer: 50