Okay. So, for this press statistic we are doing the descriptive statistics now. So, for descriptive statistics, so, we have all those our central tendency, which we do previously. So, now we these measures are these are their ability which is to measure the strength of that data. So, for the spine nurse or the spouse that data we usually are you find a mean and then we find how spread the data how spread each of the rows of the data each data point is from the mean or from the medium. It can also be how I spell ah how Feist this time from each of the data points or from the main or from the medium Okay, so far range ah I will say range is the difference between the largest and smallest point.

So, to get arranging ah ah you can do something like this okay. So, this is the top, so, I can use a range a and I will get a range then a say if I want to find a difference between the maxima and minima, I can do something like this result to range and then I will find a difference in this result. So, I can do something like this. So, resolve to range a that I can find on difference Have the result. So I get seven. So I will say range.

This is a, this one is the maximum and then this one is the minimum. So to find a difference I use the Detroit Metro pension. So I get sad