S1 Mean and Standard deviation - How to Calculate Mean and Standard Deviation or Variance 

Formula and concept - 1:03 Question 1 part a - 11:36 Question 2 part b - 14:02 Question 2 - 16:42 Question 3 - 18:10 Question 4 part 1 - 22:25 Question 4 part 2 - 24:21 Question 4 part 3 - 26:25 End - 28:00

thank you so much sir! there are not many resources for S1 paper online but you are helping us so much!! keep rocking!!

Thank you so much sir, I didn't understand this concept at all till I watched your video!

I respect you so much Sir. I have my S1 tmrw, In Sha Allah hope it goes well!

crazy how i only found you 5 days before my S1 paper!

Sir I love u in the sake of Allah. ty for helping me i was having a breakdown

so glad this vid came at the right time !! one question, I used diff methods of solving the questions but all use the same formulas you've mentioned in this video. Will those methods be marked correct in the exam?

Hello sir, is it possible to upload the rest of the chapters for statistics?

Sir could you do permutations and combinations also, and thx for the video

Goat 🐐

sir can you post the notes for these? will be highly appreciated thank you !

Fantastic

Sir could you also upload videos of as p1

Hayeee Sirrr

I love you

U made horrible noise in ur voice