Middle Years

Consider this list of numbers:

$2,2,2,3,3,3,4,4,5,5,5,7,7,7,7,9,9$2,2,2,3,3,3,4,4,5,5,5,7,7,7,7,9,9

a

How many numbers are in the list?

b

How many numbers are even?

c

What is the difference between the smallest and the largest number?

d

What number occurs most frequently?

Easy

Approx a minute

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