00:01
Okay, in this question, we have a dataset and we'll call that data set a of numbers 81, 98, 71, 99, 10, 67, and finally 21.
00:18
And of this data set right here, we want to calculate the average or mean, the mean or number in the middle, and the mode or the most occurring number.
00:28
And in order to calculate the mean, we need to know this equation x bar or average is equal to the sum of values the dataset all over the total number of entries in the dataset.
00:39
So the way to calculate the summation or sum in this case is simply adding up the dataset.
00:44
So in this case, we'll just add 81 plus 98 plus 71 plus 99 plus 10 plus 67 plus 21.
00:53
That ends up being 447 all over 7.
00:57
Once we divide that, we end up with 63 .86 as that main or average number right there.
01:05
Mead is a little bit more complex because we need to order it from least to the greatest and find that number in the middle...