1SAMPLING DISTRIBUTION

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2 Contents What is Sampling? Types of Sampling Sampling Distribution Sample Error

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4 What is Sampling?Sampling is the process of selecting a portion generally small portion of units (e.g. people, organizations) from a population of interest so that by studying the sample we may fairly generalize our results back to the population from which they were chosen.

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5 Types of Sampling

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Probability/ Random Sampling

Simple Random Sampling

Systematic Sampling

Stratified Sampling

Cluster Sampling ISME PGDM 2015-

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Non-Random/ Non-Probability

Sampling

Convenience

Sampling

Judgement Sampling

Quota SamplingShopping-

Mall Intercept SamplingSnowball SamplingISME PGDM 2015-

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8Sampling DistributionA probability distribution of all possible means of samples is a distribution of the sample means. In statistical term this is known as Sample Distribution.

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10 Sample ErrorThe standard deviation of the distribution of a sample statistic is known as the standard error of the statistic or Sample error.

𝑺𝒕𝒂𝒏𝒅𝒂𝒓𝒅𝒆𝒓𝒓𝒐𝒓 𝒐𝒇 𝒕𝒉𝒆𝒎𝒆𝒂𝒏(𝝈 𝒙)=

𝜎=𝑃𝑜𝑝𝑢𝑙𝑎𝑡𝑖𝑜𝑛𝑆𝑡𝑎𝑛𝑑𝑎𝑟𝑑𝐷𝑒𝑣𝑖𝑎𝑡𝑖𝑜𝑛𝑛=𝑆𝑎𝑚𝑝𝑙𝑒𝑆𝑖𝑧𝑒

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THANK YOU!!

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