I just wanted to express my gratitude for your amazing RU-vid channel on statistics. Your content has been a game-changer for me. Your videos are not only informative but also engaging and easy to follow. You have a talent for making statistics interesting, and I can't thank you enough for that
I've learned about Confidence interval today.. Thanks for your clear explanations with apt examples. I've got an assignment, wherein it is mentioned( To compute minimum sample using an appropriate formula , assuming that no previous study has been previously done and the variability is unknown, using 2% level of precision and 90% level of confidence.
The estimates of CMR for 4 wards in a village are 80, 90, 75 and 85. Find the estimate of CMR for that village at 95% confidence interval. P[t(3.025)=3.182]