Confident interval estimators and selecting the sample size - සිංහල 

17.28 the value of the reliability factor should be changed. the value is taking for z 0.01, not for 0.005 from the t df table anyway, good explanation thank you

well explained.තවත් කරන්න මේ වගේම lessons 💪

Good job haso❤️❤️ Superb.Keep it up..

T table ek use karnne samplesize eka 30 ta adui nm neda?example eke large sample size ekak nd tyne

thank you so much

Clearly explanation thank you 👌👌👌

clear explain. Thank you

Thank you very much...❤❤

Thank you..good explain

kalin gana heduweth z table unta T table eken balagenane values gatte apahediline tikk mta😢

Thanks 🙏👍 you very much

Thank you so much akki❤❤

Superb ❤️💫✨️

👍 superb 😃

thank you

Thank you 💓

chi square measurement, hypothesis testing padam karanna puluwanda.

superb

Thank you very much....

ඉදිරිපත් කිරීම ඉතා හොදයි .

16:34 , 0.1/2=0.05 ne anne ? 0.005 awe kohomada ?

Thanks a lot

Great 😍

Awesome work !

good job. superb

thank you very much 💕

❤️☝🏁Great

Thank u😍

Thank you for sharing knowledge ❤❤

Thanks

👍

Good job❤️😍

Ane akko 0.98 awe komada kiyl poddk explain krnnko mt🤫🤔

🤐

thank you so much

Thank you🥰

thank you

Thank you very much😍

Thank you so much

Thank you😍

thank you so much