Posted by Belle on Wednesday, October 10, 2012 at 7:39pm.
The ages in years of the houses on Kelly’s block are 20, 26, 11, 2, 28, 18, 2, and 27.
Find the mean age of the houses.
Find the median age.
Find the mode.
Which measure(s) would you use to represent the ages of the houses? Explain

Math  Patrick, Wednesday, October 10, 2012 at 7:41pm
mean = add numbers together then divide by how many #s
Median = middle of the numbers
mode is the most frequent number

Math  shian, Wednesday, October 10, 2012 at 7:44pm
thats what i said to

Math  bobpursley, Wednesday, October 10, 2012 at 7:46pm
put them in order:
2,2,11,18,20,26,27,28
mode: 2 most common
mean: add them, divide by 8: you do it.
median age: find where you can divide the list in two lists of four: well, 18 and 20 are the middle numbers. add them, divide by 2. 19 is the median.

Math  Kristin, Wednesday, October 10, 2012 at 7:50pm
so the mean is 16.75
The median is 12 right? Because I had to subtract the two middle numbers to get the middle number.
The mode is 2
So would it be the median to represent the ages of the houses?

Math  shian, Wednesday, October 10, 2012 at 7:53pm
I KNEW THAT HEEE

Math  Kristin, Wednesday, October 10, 2012 at 7:54pm
oops! yes I forgot to divide by two! 19 is the median. And would that best represent the ages?

Math  shania, Wednesday, October 10, 2012 at 7:57pm
YEA

Math  Belle, Wednesday, October 10, 2012 at 8:18pm
Ok so the median is the best choice ok thanks!

Math  Sam, Tuesday, October 16, 2012 at 2:51pm
ok stuck again. Got everything else calculated, but why is the median the best choice? is it because 19 is the closest to the mean, 16.75 ? Can you explain??
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