Population Variance

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Transcript

Okay, so for variance, so variance is our average squared differences from the mean. So, to find the population variance are four variants, we have our population variance and sample variance. So, I will say our sample variance is more popular for population variance, we need to do something like this. So let's say I buy a copy this data. So, to find a popular variance, I need to find a line. So I will do something that is okay.

Then I will use this formula valence A times n minus one divided by n. So I will do something like this. So you should be there's a times R and minus one divided by By okay. So let me try that formula and minus one divided by n okay. So I get five Pi 136 or nine pi. So this one is for the population on the rise

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