Dependent and independent samples

What is actually the difference between a dependent sample and an independent sample (paired or unpaired samples)? And why is it important to know the difference? Whether the data are from a dependent or independent sample determines which hypothesis test is used.
If your data are independent, for example, a t-test for independent samples is calculated or an analysis of variance without repeated measures. If your data are dependent, for example, a t-test for dependent samples or an ANOVA with measurement repetitions is calculated.
The online statistics calculator:
datatab.net/statistics-calcul...
The tutorial about dependent and independent samples
datatab.net/tutorial/dependen...

[@disstrust]

Thank you. Very nicely explained. In the 3:51 minute, when you talk about dependent samples and the machines lubricated, is it the same machine being lubricated first with great A and than with grease B, or are there two machines of the same type?

[@Nothingimportant1]

I did not know Austria also has such brilliant people. Thanks for the wonderful and concise explanation.

[@fernandopaez3120]

Excellent. I have a question please. If I have multiple measurements of a single variable of two different times taken at the same points with coordinates. This would be considered a related or dependent sample, right?

[@datatab]

Yes I think so!

[@ShoKeti]

Thank you! But I still have a question. Сould you help me please? there is one sample of biomaterial and two reagents on which this sample was analyzed. I need to evaluate the results obtained after the analysis. Will the data be dependent?

[@jasbirmanhas3355]

Excellent. Extremely informative

[@datatab]

Many thanks for your Feedback! Regards Hannah

[@Max47340]

Appreciate the clear explanation, very well done.

[@datatab]

Many thanks for your nice feedback! Regards Hannah

[@dmana3172]

Being a dependent is always better in a real world. Dependency all the way! It makes my life alot easier! :)

[@mulugetabuche6128]

you are outstanding
teacher

[@AngelEsparza-qr1vm]

mucha gracias por estos videos, ayudan muchísimo a mi formación.

[@datatab]

Glad you like it! Regards Hannah : )

[@nerellasoujanya1924]

Exlanant explanation mam
Thank you

[@cococnk388]

Let us say I have thesame number of individuals that carry on a math test and english test
here the samples are dependent?
Thanks for the video

[@alokkumarsoni1429]

Very well explained

[@alialshebami8408]

well explained..thanks

[@TR-rx5ej]

Could you please tell me parametric test that can be used for trend analysis. I want to use it to identify trend in hydrochemical data that include concentrations of Ca, Mg, Na, etc.

[@larissacury7714]

you mean a repeated measures ANOVA or a mixed-effects model?

[@halamokhtar3087]

Independant varible define is that can manipulate l dont understand what the relation how to be grounded based upon the control and case group

[@maheshiwijesinghe7639]

Thanks🎉😊

[@mahakgarg7656]

I want to to use datatab for my data but my data more than 30 rows in datatab tutorial there are only 23 rows how can I calculate statistics of my data please help

[@bedriashanko9982]

very good

[@larissacury7714]

Thanks!!🥰🥰

[@datatab]

You’re welcome 😊

[@JuliaCordero85]

Not only are you smart, but you're also extremely beautiful. (I just said it, we were all thinking it ;D)

[@datatab]

Many thanks 😊

[@atwijukiirehumphrey2766]

😂