Statistics - Find the z score 

You explained something in 2 mins that my teacher couldn't explain in 40, thank you very much

Let's be honest, we went here because of the 1hour discussion that we didnt even understand

*My teacher teaching in class for 1 hour* Not a single thing went in my head *secretmathtutor teaching for 2 mins* Every single thing went in my head

Very clear and helpful for someone who has NEVER done statistics before. You're a legend! Thanks!

This was incredibly simple. Thanks a ton for the video. Math and statistics don't need to be hard.

this was the easiest explanation I could've asked for, thank you

I don't understand why teachers don't start with easy numbers like this so we can learn. They always use the biggest numbers

I am currently undertaking a statistics class and this video has explained to me the Z score in what a lecturer tried to do for 20 minutes. Thank you :)

Thank you. Once again I find a more talented teacher on RU-vid than I do in a formal education institution. Sad, sad, SAD situation.

I love how simply put this is and short. 1 and 15 minute lecture and I had no clue... 2 minutes and I'm a z-score pro lol Thank you so much for this!

Thank you so much. Watching you apply in 30 seconds what I have been reading and trying to understand in my online class for the last 3 weeks is just.... wow, Thank you. Time to catch up!!

Omg. I just learned more about z score in 2 minutes than an hour and a half of my math class with my algebra teacher. Thank you🙆🙇🙆🙇🙆🙇🙆 You are amazing! I was stressing cuz I didn't understand and now I understand perfectly! 😁

This was informative and easy to understand, you don't con-dilute the subject with unnecessary oversimplifying. Just clear, concise, easy to understand information.

There’s a quotation that I think is attributed to Einstein that goes something like: if you can’t explain something simply, then you don’t understand it well enough. You clearly understand this as well as anyone in the world. Thank you.

just watching these videos before going to sleep calms me down. thank you. it's just refreshing to constantly remind myself of what the value of the z-score really is, etc. ha

You taught me something in 2 min, that my prof In could not even explain in 1 hour video. THANKS A LOT.

Learned more from this video than I learned in my stats class.

bro just singlehandedly saved my grade thank you

THANK YOU! this was amazing and I have finally understood what the hell a z-score is after 2 years of psych at uni!!!! Just took two minutes.

Thank you so much! I have an exam tomorrow and you just blew my mind in 2 min! Great job! Keep up the good work.

Your voice is so pleasant, it makes me want to learn from you lol

This was incredibly helpful for someone who A) fails to pay attention and B) has a subpar professor! Thanks!

what if X is unknown and you want to find it? The equation would be X=u+zo, right? In a situation where z-score is not given. How would I find X?

dude this was a 2 minute video. brilliant i just watched a 13 minute one about the same thing and it left me confused. this was simple and nice. thank you

Thank you!!! My stats teacher assigned us homework on Z-scores without even explaining what to do. Thank you so much!

That's a great explanation! You saved me 60 minutes of reading!

The fact that online education is your real teacher is simultaneously horrible and wonderful. And yes, thank you MySecretMathTutor (and people like you).

my god, straight to the point! thank you!! you explained it so simply and quickly. other channels just confuse and drag out the info

wow. i spent hours going through notes and reading my stats book. Nothing. found your video, now i can calculate the z-score with my eyes closed thanks!

Thank you for summing this up in 2 minutes compared to my instructors 50 minute video that made no **** sense.

THANK YOU!!! You have no idea how simple this was for me in 2 minutes!

can someone plz tell me how he put the value 20 for x

thank you haha, everyone needs a teacher while at home, glad you took time outta your day to make the video i always need a refresher every now and then.

wow man thank u sooo much...very straight forward with no unnecessary points or steps way better than my actual professor.

Okay....WHY did this seem SO complicated in my textbook!! Thank you!!

Omg thank you this makes z scores and standard deviation so much more sense now

THANK YOU SO MUCH I WAS STUCK ON THAT FOR 60 MINUTES AND YOU TAUGHT ME IT IN 60 SECONDS

got an exam tomorrow on this this explains it so much better than my professor.

thank you for making this much simpler than my professor

still helping us a decade later. thanks tutor!

We got the mew AND the sigma? Yeah this video is epic.

Yor video rocks even after 7 years

you explained it in less than 5 that the cool guy my lecture couldnt explain in 5 days

this guy has taught me more than my entire university tuition is worth

thank you... you tube is my real teacher...

easiest explanation better than my teachers thank you so much sir!

I might as well subscribe since I keep a look out for your videos when I look up statistic formulas 😂

THANK YOUUUUUUU. i couldnt understand this for the life of me so, thank you SO much

thanks...im trying to study for my AP Psych test tomorrow and the book barely describes this...thank you sooo much!!!

Straight forward and clear! Thank you!

Sir I am a indian but I understand this topic very easily...thanks

Very helpful. U made it easy

Omg thank you so much! Finally don’t feel stupid anymore

college Stats is kicking my ass. Thank you so much.

thankyou for making me understand it better than my statistics teacher

But how does that -0.8 relate the the bell curve graph of z-scores? And what does the area under the curve tell us?

Thank god for youtube helping me cram. Math exam in 2 hours - let's do this.

I had to do a completely different question and even though I spent 2 hours in class going over this I just DID NOT understand and now I get it! you take the Zscore subtract it from the mean and divide it from the standard deviation. Why couldn't my professor say that?

I wish you did more videos. I have to learn about linear correlation and regression and probability. You would have explained it perfectly.

Thank you! I am taking an online class and just couldn't grasp this from the text and teacher's powerpoint. A light bulb went off in my head, and I'm excited (yes i'm that kind of dork)!

ay how you know which number to plug in for x ?

I have a problem where they don't give you any of those Greek letters, but a dataset/series of numbers. Each number is labeled "Student 1, Student 2, Student 3," etc. They then ask for the z-score for _each individual student_. Is the process for this problem similar to what you explain here?

Either you explained it very well or I am so damn lazy that I sleep while my professor just talks.

thank you you made this so much easier than my teacher....

Golden. Perfect example and whiteboard. I get it. Oh my goodness.

Thank you!!!! This explained the key concept I was missing!

thanks for the video, clear and simple, easy to understand.

That's it. I'm subscribing to this guy.

melissa likes this video, it helped her understand z-scores

Z score is SO critical and important thing in statistics.

you legit just saved my life Thank you

oh man! I thought that this is a whiteboard :-) all of a sudden a HUGE hand appeared well, Thank you for the video!

Mobile Statistics Professor is available on Android, BlackBerry and iOS platforms for college & MBA statistics. Key Features: Analysis of Variance (ANOVA) Beta Function Scientific Calculator (infix) Effective Size Error Function Gamma Function Probability CDF & PDF - Chi-Square, Fisher F-Distribution, Normal Distribution, Standard Normal Distribution, Student's t-Distribution p-value and Inverse p-value Simple and Multiple Regression Solver Summary Statistics

But how do we find the z-score value? How do we get that number 20? Is it by how many numbers are in a data set? Is it by adding all the numbers in a data set?

Would that be significant or non significant?

This video is gold!!! Thank you so much!! 💕💕

Really glad this video found me

thank you so much, you explained well and so easy to understand.

Thanks for the video! I am working now on an assignment and got a z-score higher than 4, what should I do?

I have a question I understand all of this but how do you figure out how many deviations it's above or below?

My god if only teachers we’re this clear instead of trying to drag a class on for an hour

Can you explain when to use the sigma X square root of n, and when to use just sigma, as the denominator?

But where does the 20 come from? I can’t seem to understand these problems because they never give me the value for x.

Love your videos!!

Thanks, my stats exam this week

im not sure if this falls in the same catagory but can i get help with this problem..... A national achievement test is administered annually to 9th graders. The test has a mean score of 100 and a standard deviation of 15. If John’s z-score is 1.20, what was his score on the test?

Is it possible to find Z scores using normal calculator; without the distribution table? [I mean, if I have to find Z score of a random value such as 0.50253, is it possible using normal calculator - to find at least an approximate value?]

I'm in the middle of a test. You had better be right! lol Thx

hi so does this mean that value is usual because it's less than 2 SD from the mean? like if the value was higher it would be an unusual value or outlier...?

My statistics class this summer is 4 hours, two days a week and my professor still couldn't explain this.

do you not have to translate -0.8 with the z-score chart? im confused

Thanks - a very clear presentation.

Wow,the best 2 minutes ever😁

What if no value was given in the problem? Only the mean and the standard deviation was given

You have saved my life!!

What if the the x was unknown and the given is only the mean and standard deviation? Really need to know this our teacher gave us this problem without giving any discussions. Had to learn the entire statistics topic with only a powerpoint

love the enthusiasm

what does the 20 represent

Where did the 20 come from? I don't have an x value? This video doesn't help at all

please post more statistics videos