Understand & Calculate the Median of Data in Statistics - [6-8-7]

View more at www.MathAndScie.... In this lesson, you will learn what the median of a data set is, why the median is important, and how it differs from the mean and the mode of a data set. Also, we will practice calculating the median and interpreting the result. In order to find the median, we arrange the numbers from least to greatest, the look for the numerical value that lies in the center of the data set. The center value is then the median. If we have an even number of data points, then we won't have a single center value. In that case, look for the two values that lie in the center and average them to find the median. We prefer to use the median when outliers are present in the data set.

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[@carmenvalentin8186]

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Thank you

[@MathAndScience]

You are very welcome!

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[@MathAndScience]

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[@jennystyles7817]

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[@MathAndScience]

Yay that is awesome!

[@jfjkdkjfj]

TEDIOUS!!!! Could have done that in less than 10 min.

[@ingrfhfa2423]

Brilliant sir

[@amirmilito8558]

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[@dido1803]

Hi there, I enjoy watching your program. This particular subject really touched my curiosity. What is the percentage of the number would you consider to be outlier?

[@ahmedabdulaziz3703]

Hello My dear teacher

[@MathAndScience]

Hi!

[@kimai9]

Can you explain for me when do we use the median, mode, mean, or range whenever the question asks us to find the average?

[@hemarajue2736]

It make sense to remove outliers from the data sets. For instance, in a group of 5 trees having heights 2,3,4,5, and 100 feets, their mean doesn't represent reasonable height.

[@MathAndScience]

Yep for sure!

[@SoFarSoBook]

Everyone always calculating the mean, but nobody ever calculates the kind.

[@celsocahilog8733]

Real genius

[@jbarchie1074]

Good lesson thanks!

[@MathAndScience]

Welcome!

[@haeleth7218]

The median and mode are the best averages. The mean is a terrible average.

[@arlenejames6070]

What happens if you have six data points, what would the median be?

[@hemarajue2736]

Suppose if we have six data points 1,2,3,4,5,and 6,the median lies between 3 and 4 which is found by calculating their mean i.e (3+4)/2=3.5.

[@arlenejames6070]

@@hemarajue2736 At the end of the course an example was given, so I got it .

[@aiistyt]

The initial example has mean = median, is this advisable

[@MathAndScience]

Sometimes they work out to be the same but in general the mean and median will be different.

[@aiistyt]

@@MathAndScience Yes I know, i just think it would have made more sense to choose an example where they are different. I could imagine that people who don’t understand this would wonder “why are we bothering with median - they’re the same”

[@MathAndScience]

I hear what you are saying but I expect students to view the entire lesson which has many examples showing they aren’t the same. Thanks, jason

[@ahmedabdulaziz3703]

I'm Somali boy teacher I'm going to study chemistry

[@MathAndScience]

Awesome! Good luck in your studies!

[@learnwithruma3494]

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