00:01
So we want to find mean median and mode and range for this data set.
00:07
So we're going to start with mean.
00:09
To find the mean, we're just going to take the sum and divide by the number of items we added.
00:15
So we have a 5 by 5 array, so we're going to be dividing by 25.
00:22
I'm going to add these up one row at a time.
00:25
So first row is going to sum to 6 .8.
00:34
Second row sums to 7 .75.
00:51
Next we have 7 .75 again, 8 .73.
01:08
And last row is going to sum to 9 .91.
01:25
Okay, so i'm going to sum all those values together.
01:30
So 6 .8 plus 7 .75 plus 7 .75, plus 8 .73 plus 9 .91.
01:43
It's going to give me a total of 40 .94.
01:48
We're going to divide that by 25.
01:52
And we want to round to two decimal places.
01:55
So this gives me 1 .6376.
01:59
So my mean is going to be 1 .64.
02:02
For.
02:04
Now the median is the number exactly in the middle when my data is ordered from least to greatest.
02:11
So i'm going to start with my smallest, which is 0 .9.
02:15
I'm going to kind of indicate him for later.
02:18
And then i'm going to cross off as i go...