Determining Sample Size | Cochran & Yamane Formula | Finite & Infinite population | Examples

In this lesson: I discussed how to determine Sample Size for finite and infinite population using Cochran & Yamane formula. Besides, examples are provided for each cases.

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Lesson-1: Introduction to Research: What is not research, what is research, Research and Knowledge pyramid

Lesson-2: Source of research Problems, Research Problem selection consideration

Lesson-3: Research Process

Lesson-4: Research Philosophies | Research Paradigm

Lesson-5: Ethics in Research

Lesson-6: Types of Research | Examples

Lesson-7: Sampling

Lesson-8: Sample Design Process | Examples

Lesson-9: Probability Sampling

Lesson-10: Non-Probability Sampling

Lesson-11: Determining Sample Size using Cochran & Yamane Formula for Finite & Infinite population with Examples

Lesson-12: Good Sample Design Characteristics | Sampling Error | Systematic Bias

Lesson-13: Data Collection Procedure | Steps in Data Collection

Lesson-14: Types of Research Variables

Lesson-15: Levels of Measurement Scale

Lesson-16: Sources of Error in measurement

Lesson-17: Tests of Sound Measurement (Goodness of Measurement)

Lesson-18: Reliability and Reliability Testing Methods

Lesson-19: Validity Tests

Lesson-20: Adopting, Adapting and Developing Measuring Instrument

Lesson-21: Steps to Develop Measuring Instrument

Lesson-22: Secondary Data Collection Method

Lesson-23: Primary Data Collection-Observation Method

Lesson-24: Primary Data Collection-Interview and Focus Group Discussion

Lesson-25: Primary Data Collection-Questionnaire and Schedule

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[devoragoldberg]

So good and straight to the point!!!! Thanks!!!

[mergahunde]

Well explained video on necessary issues.
Thank you!!!

[alms]

Very nicely explained Boss, I am a Professor and Head, Pulmonology dept, India.

[Adiki]

Thank You very much for your presentation, it really is simple and clear.

[malathikalidas]

My long time query has been clarified.

[The_Long_Walk_to_Freedom]

Thanks for the lesson. But what if we use the simplified corrected sample size determination formula. Which is nf=n/(1+n/N), almost the result is the same, 842.9~843?

[tenadamshimelles]

Thank you for your clear explanation about infinite and finite methods. I want to know what type of research we are using this method, it is possible to use it for household food insecurity access scale, access prevalence, and food consumption score.

[luhabesha]

Dear Solomon,

In a cross sectional survey with known populations, N=117
which sample size calculations formula can I use to determine my sample size apart from Slovin formula and modified Cochran formula ?

[anugrewal]

Greetings sir
In case we want select different universities from list like we have 28 list how can I select from which should I collect data ?
Apply yamane formula it returns 26 as sample ?

[nobelfarrar]

we like how you explained it. May we have a copy of your presentation Sir?

[lscmts]

Very well explained video on a topic that is complex. Thanks a bunch for this, it was indeed extremely helpful! <3

[chefberrypassionateresearcher]

I assume that population size is unknown/ infinite, therefore I plan to use Cochrane Formula- which gives a sample size of 384, for this study, at 95% confidence interval, 50% degree of variability, 5% as margin of error. All my questions are on Likert 5 point scale (Interval data). Is that appropriate to be used?.

[NishaSharma-tbrp]

Namaste sir if my area of research is districts of southern Rajasthan, should, I use the formula of infinite population for calculating the sample size?

[movieclips]

Well explained video. Was really helpful

[martyking]

How did you calculate the 3% marginal error to 0.03???

[jairahaguilar]

What if the target population is 221, 919?