18:50 invNorm 20:03 invT 21:00 T table 22:00 Margin of error 27:06 Boxplot 28:05 Different types of samples 31:58 normalcdf 36:32 paired t test 37:18 one sample t test vs one sample z test 39:10 FRQ line up order for the recent years 40:06 CI for slope, regression printout explained, Ti84 invT
This was such a good livestream Mr. Porinchak, it really helped me feel more confident and understand more about the test, wish all the best of luck tomorrow and thanks so much for being such an amazing teacher!
does cluster sampling still count as "cluster sampling" if our clusters are different sizes? I was given an example where they make each classroom of 25 students in a school as their clusters, srs 5 different clusters then take the 125 individuals as their sample. however in real life its unrealistic for every classroom to have the amount of people would it still count as cluster sampling?? (clusters are supposed to be indistinguishable between and distinguishable within, but if we have different size clusters that potentially lets us have clusters that are also distinguishable between) do we have to state some sort of problem with the study in our conclusion??
In a perfect world the clusters are the same size but they don’t have to be. Like if a city is broke up into 6 wards or regions and each region is similar so what ever region was to be picked it would be representative. In that situation if the regions are exactly the same size it’s ok. I hope that answered your question.
If we are asked to construct a confidence interval, and we are given computer output, how do we determine the sample size in order to calculate the df?
18:50 invNorm
20:03 invT
21:00 T table
22:00 Margin of error
27:06 Boxplot
28:05 Different types of samples
31:58 normalcdf
36:32 paired t test
37:18 one sample t test vs one sample z test
39:10 FRQ line up order for the recent years
40:06 CI for slope, regression printout explained, Ti84 invT
This stream was awesome! Thank you for guiding us through!
michael we love and appreciate you🫶
Thank you it means a lot!
This was such a good livestream Mr. Porinchak, it really helped me feel more confident and understand more about the test, wish all the best of luck tomorrow and thanks so much for being such an amazing teacher!
Thank you for watching!!!! Best of luck!!
I LOVE YOU MICHAEL YOU’RE MY IDOL
does cluster sampling still count as "cluster sampling" if our clusters are different sizes?
I was given an example where they make each classroom of 25 students in a school as their clusters, srs 5 different clusters then take the 125 individuals as their sample.
however in real life its unrealistic for every classroom to have the amount of people
would it still count as cluster sampling?? (clusters are supposed to be indistinguishable between and distinguishable within, but if we have different size clusters that potentially lets us have clusters that are also distinguishable between) do we have to state some sort of problem with the study in our conclusion??
In a perfect world the clusters are the same size but they don’t have to be. Like if a city is broke up into 6 wards or regions and each region is similar so what ever region was to be picked it would be representative. In that situation if the regions are exactly the same size it’s ok. I hope that answered your question.
NOOOO i can't catch the tuesday one :((( micro exam haha
If we are asked to construct a confidence interval, and we are given computer output, how do we determine the sample size in order to calculate the df?
It would definitely be said in the problem the size of the sample.
@@mporinchak Thank you
SOMEONE PLEASE TELL ME FOR THE NORMAL CONDITION, IS IT CORREC TO USE THE P HAT WHEN ITS AN INTERVAL AND USE P WHEN ITS A HYPOTHESIS TEST??
yes that is fine
I wonder if its too late to ask but can i ask for the conditions for all the significant interval methods please?
In the live video I talked about all the conditions. I don’t recall what it was at. Let me know if you can’t find it
Please tell me there’s one more tomorrow before the exam
I hope to do one Tuesday morning around 9
michael youre the goat
Im going to be taking my exam in 20 hours! Good luck to everybody!
So cooked