Finding X Bar in Statistics Video | Mathhelpmadeeasy

Finding X Bar in Statistics - How to calculate X Bar. Hello guys and welcome to another video. In this video, we will be calculating X Bar. Now you may be asking yourself, “What is X-bar?” X-Bar is a symbol used to represent a sample mean used to estimate the true population parameter. Lets take this example. A company is trying to understand what the true population parameter is based off of these values. To calculate X-bar, we must find the average of these values. After adding all of our values up, you will get 108. We take this 108 and divide it by N or 6 in the case and we come up with 18. We take this 108 and divide it by N or 6 and come up with 18. X Bar is equal to 18.

#Mathhelpmadeeasy #Statistics #Xbar

TIMELINE
@0:01 Finding X Bar
@0:15 Calculating X-Bar
@0:29 How to Calculate XBar
@0:45 How to find X Bar

Finding X-Bar is a crucial first step to then finding The Standard Deviation. Calculating Standard Deviation is the next video in this sequence. To understand how to calculate Standard Deviation, see the video here: Finding Standard Deviation in Statistics Video | Mathhelpmadeeasy

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[carolebaskinkilledherhusba]

sir, this was really simple, fast and easy to understand! thanks a lot now I understand what I have to do! :)

[poonamtiwari]

Thank you so much Sir. This video was short and helped me quick. :)

[iamscoutstfu]

So x-bar is the avg of a single sample?

[chayanikakalita]

thank u sir.I can't understand some minutes ago.But now I have understand that what is x bar.thank u so much sir

[lazarusifeoluwa]

Much thanks sir this video help my sis really quick keep it up

[LyndaLiu]

If X~N(10, 4), X bar = (X1+X2+X3)/3; what’s var (X bar - X3)? If I compute var (X bar) + Var (X3)=4/3+4=16/3. But if I simplify X bar - X3 to (X1+X2-2X3)/3, then the variance becomes (4+4+4*4)/9=8/3. How come they are different? Thanks for your help!

[wrjazziel]

Thanks man, I was looking for "U-bar" but I think it is the same... peace!

[AS-gguz]

I bet you meant, find the SUM of X and then divide them by the total number of samples. Xbar = Average or Mean

[maizysincestarling]

Thank you! Watching this i realized that I knew what x bar was all along, just was not familiar with the term.

[ebisheke]

I knew what this was but wasn’t confident about my answer for a second and saw this video. Turns out I was right. Thank you

[calliopecook]

pls turn up ur volume on videos, my computer is max volume and i can barely hear u