Find the mean of the following set of numbers.
13, 15, 18, 18, 18, 19, 22, 26, 28, 33
a) 21 b) 20.6 c) 20 d) 20.3
Thank you all.
2007-12-14 12:40:37 · 5 answers · asked by Sis F 6 in Science & Mathematics ➔ Mathematics
Mean = Average
Add all the numbers, then divide by the number of numbers.
2007-12-14 12:44:16 · answer #1 · answered by Anonymous · 0⤊ 0⤋
13+15+18+18+18+19+22+26+28+33=192
210/10=21
tha awnser is A)21
2007-12-14 12:51:19 · answer #2 · answered by Anonymous · 0⤊ 0⤋
mean =(sigma n)/n
so add up all the given nos.
13, 15, 18, 18, 18, 19, 22, 26, 28, 33=210/10=21
so the answer is a
2007-12-14 12:48:13 · answer #3 · answered by Siva 5 · 0⤊ 0⤋
To find the mean you must add up all the numbers and divide by the amount of numbers. So, for this instance u add up 13,15,18,18,18,19,22,26,28,33 and divide by 10(the amount of numbers) so u get the mean as 21
2007-12-14 12:48:20 · answer #4 · answered by Jori Z 1 · 0⤊ 0⤋
13,15,18,18,18,19,26,28,33,22=210/10=21 a
2007-12-14 12:44:35 · answer #5 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋