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I salute to you buddy. The way you linked the concepts was literally amazing. Eg: You stated in your previous video that according to CLT if normal distribution, and iff n>=30, there will be a good approximation of the sampling distribution to the normal distribution. And now how you stated then if the n
Wow thank you. The standard deviation formula part is what helped me the most which I couldn't search on my textbook or anywhere else lol. Thank you very much!
I don't know why teachers are paid those salaries to make things more horrible which otherwise can be explained this simpler way. Thanks God for saving me 🙏
Hey mate, I've got a question: In the ''C'' section of the 2nd example, why we aren't using [values corresponding to z=(.95), from there we can use mean and the standart deviation values (which we already know) to find the values we need.] Is it because in this examples; the graph, isn't standart norman distribution.
Is it correct to say that regardless if the test to be employed is a 1-or 2-tailed test, the EBM will always employ alpha/2 in determining the value to be located on the t-table?
Hi kindly help me with the null hypothesis of this Given that an average IQ of adult population in an area was 100. Five adults were then randomly selected and tested. The test scores were; 69, 79, 89, 99, 109 with standard deviation of 15.81. Is there a strong reason to believe that the mean IQ scores lies below 100.
Pls solve this for me In a random sampling of 600 students selected in a school, It was observed that 420 have a fan in their hostels. Construct a confidence interval at 95% for the entire students that does not own a fan
I know you have passed your degree, but replying for those who will have the same question, when we are dealing with sample, we take 'n', and when dealing with population, we take (n-1), here the whole class is of 10 students, and we are dealing them, so this is population, if we take a sample of 4 students from whole class of 10, it'll be sample.
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my professor just said (used mini tab)
You're right
Maybe you should pay attention in class then
This is the most incredible TH-cam instructing channels to ever exist. I have been on the brink of so many mental breakdowns, and every time I turn to the Organic Chemistry tutor. This channel has saved my sanity, my grades, and my future too many times to count. Thank you so much for everything you do. You are doing a great service to the world by making these silly little videos. Thank you.
Who else is watching this at 2:00 am night before the exam?
11am 1hr before the exam
01h17.
Naneun
watching this 20 mins before the test
Watching this during the exam
I just completed my degree and have to say 'The Organic Chemistry Tutor' is a OG. He's been a great help in all topics whether its maths, physics, chemistry throughout the 4 years at uni.
This man deserves a Nobel teaching prize!!!
True that!
I just want to say thank u for your lessons, you've helped me out a lot in school. I just want to tell u that your doing a great job, please keep the lessons coming your fantastic. Thanks to u I was able to pass my exams ❤😊👍👍👍👌
Thank you so much ive been going to engineering schooling for 7 years and have watched you from multiple topics in science chemistry and engineering courses. You are a very good teacher and have helped me through many tough times in college thank you very much!
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Wow! Just wow! You explained this very well. You broke it down and explained the fundamentals, which increased my understanding of this subject so much. You did this all in 17 minutes while my professor just talks too much about theorems in an hour and 15 minutes and doesn't go over example problems too often. You are the best.
You’re the best man, thank you for all your chemistry and math lessons
you are a gifted teacher sir. God has given you this gift. you are so generous that you are offering us these pearls without hoping for anything back. Honestly grateful for you!
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thank you thank you thank you . i have been failing my stats class and i felt like i have been falling way behind to ever catch up and watching your videos have helped me catch up in a couple days.
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I salute to you buddy. The way you linked the concepts was literally amazing.
Eg: You stated in your previous video that according to CLT if normal distribution, and iff n>=30, there will be a good approximation of the sampling distribution to the normal distribution. And now how you stated then if the n
EBM = error bound for the mean. Just for those who do not know or remeber.
Thank you so much> >>> i was literally crying cos I didn't understand T-distribution. Thank you so much for doing such a great job
Wow thank you. The standard deviation formula part is what helped me the most which I couldn't search on my textbook or anywhere else lol. Thank you very much!
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it's very interesting for everyone who wants to add value to the t-value and z-value both are really confusing.
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When you divide alpha in 2, isn't that a two tailed test? Why do you say that this is a one tailed test?
You're right, if you overlook that error it works out
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No man, two tail test is basically for hypothesis testing when we assume that the man is not equal to any value i.e., it can be less, or more
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I calc numerous times. How did you get s=11.709?? I used your method and my number everytime was much larger than that
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We have negative value here if we do not subtract 1-a/2. Why would we take positive value from table ?
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I don't know why teachers are paid those salaries to make things more horrible which otherwise can be explained this simpler way. Thanks God for saving me 🙏
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How do I know when I'm supposed to use one tail alpha or 2 tail alpha?
I think 2 tailed is for when your alternate hypothesis uses "≠" and 1 tail is when your alternate hypothesis is specifically > or
May God bless you Sir
How can we decide to use whether alpha or alpha/2 ?
Stats is way harder than calculus1 -3
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Hey mate, I've got a question: In the ''C'' section of the 2nd example, why we aren't using [values corresponding to z=(.95), from there we can use mean and the standart deviation values (which we already know) to find the values we need.] Is it because in this examples; the graph, isn't standart norman distribution.
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What if your degree of freedom is a decimal? What do you do by then?
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Is it correct to say that regardless if the test to be employed is a 1-or 2-tailed test, the EBM will always employ alpha/2 in determining the value to be located on the t-table?
I have a question at 05:47. Is it alpha / 2? Or just alpha?
If I'm not mistaken, it's alpha. Am I wrong?
Why did you use 0.05 as ur @/2 value instead of 0.025 in the second Question?
Great explanation. How would I find the p-value?
You are my hero
Hi kindly help me with the null hypothesis of this Given that an average IQ of adult population in an area was 100. Five adults were
then randomly selected and tested. The test scores were; 69, 79, 89, 99, 109 with
standard deviation of 15.81.
Is there a strong reason to believe that the mean IQ scores lies below 100.
Pls solve this for me
In a random sampling of 600 students selected in a school, It was observed that 420 have a fan in their hostels. Construct a confidence interval at 95% for the entire students that does not own a fan
thank you🤧🤧❤❤
Very interesting . Thanks.
Thank you. This helped my on in stats a lot!
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How should I know whether I should use one tail or two tail test? This is the only thing I don't get...
Masterfully explained! Thank you.
Thank you so so much.
I reckon we can still use t-distribution even if n>30 and population standard deviation is not given.
Thank you
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Why do we use n-1 while finding the standard deviation???
I know you have passed your degree, but replying for those who will have the same question, when we are dealing with sample, we take 'n', and when dealing with population, we take (n-1), here the whole class is of 10 students, and we are dealing them, so this is population, if we take a sample of 4 students from whole class of 10, it'll be sample.
thanks
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