what is the mean, mode, median and range of these numbers?

For the mean add up all the numbers (3+3+4+4+4+4+5+5+6+7+7+8+9) and divide by how many numbers there are in the list (13).

For the mode just look for the number that occurs most often (one number appears 4 times...)

For the median pick the number that lies exactly in the middle of your list. There are 13 numbers in your list so the median number is the 7th number.

For the range just subtract the smallest number from the largest (i.e 9-3)
 
Mode is most frequent

i.e. 4

Median is middle value when in order, 7th

i.e. 5

Range is largest - smallest

i.e. 9 - 3 = 6

Mean is sum/no of values

i.e. 3 + 3 + 4 + ....+ 8 + 9 = 69

so, 69/13 = 5.3

:)>
 
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