How sampling is done in Auditing-(Accounting and finance)

Sampling in Auditing

How sampling is done in Auditing

An overview

This International Average on Auditing (ISA) is relevant. When the auditor has take decision to use audit sampling in performing audit actions.

It contracts with the auditor’s use of arithmetical and non-statistical sampling. When scheming and choose the audit sample, performing tests of controls and tests of particulars, and assess the results from the sample.

This ISA complements ISA 500….

Which deals with the auditor’s task to plan and perform audit actions to obtain enough appropriate audit proof to be able to draw reasonable conclusions on which to stand the auditor’s view.

ISA 500 offers control on the means obtainable to the auditor for choose items for difficult, of which audit taster is one means.

Now the question arises that is meant by sampling?

“In simple words sampling relates to the selection of one or more unit from population”

Next question here is that what is population?

So, Population means that whole data from which the we are going to select the unit. Lets understand It from an example. At our homes our moms cook delicious food for everyone but sometimes she has doubt about the taste so she takes a little from it just to check whether the whole dish is appropriate or not….

That’s the same concept in auditing!!

Let’s relate it …

Whole food is population and that a little checked by mom in auditing is called sample. And she selected it from the population.

If we properly describe it in terms of International standards of auditing than we can say that;

Audit sampling (sampling)

The request of audit actions to less than 100% of items within a population of audit significance such that all sampling item have a chance of collection in order to offer the auditor with a sensible basis on which to describe conclusions about the whole population.


The whole set of information from which a sample is chosen and about which the auditor needs to describe conclusions.

Sampling risk

The risk that the auditor’s conclusion stands on a sample may be dissimilar from the conclusion if the whole population were subjected to the same audit process.

Sampling danger can guide to two types of untrue conclusions:

·       In the case of an examine of manages, that manages are more well-organized than they actually are, or in the case of a test of details.

It actually means…

“That a material misstatement does not tolerate when in fact it does. The auditor is mainly concerned with this type of untrue conclusion because it has an effect on audit effectiveness and is more likely to lead to an unsuitable audit view.”

·       In the case of a test of manages, that manages are less efficient than they really are, or in the case of a test of factors, that a material misstatement subsists when in fact it does not.

This kind of mistaken conclusion have an effect on audit competence as it would typically lead to additional work to set up that early conclusions were incorrect.

While understanding the sampling concept we need to understand some terms which are given and explained below:

Non-sampling risk

The danger that the auditor reaches an mistaken conclusion for any cause not linked to sampling risk.


A misstatement or divergence that is obviously not delegate of misstatements or divergences in a population.

Sampling unit

The individual items constituting a population.

Sampling Approaches;

Statistical sampling

An Approach to tattering that has the following characteristics:

(i)  Random picks of the sample things and

(ii) The use of prospect theory to assess sample results, counting measurement of sampling danger.


The procedure of dividing a population into subpopulations, each of which is a collection of sampling entities which have alike characteristics (often monetary value).

Tolerable misstatement

A financial amount set by the auditor in value of which the auditor looks for to get an suitable stage of statement that the financial quantity set by the auditor is not surpass by the actual misstatement in the populace.

Tolerable rate of deviation

A speed of divergence from prescribed internal control actions set by the assessor in respect of which the auditor looks for to obtain an suitable height of declaration that the speed of divergence set by the auditor is not beat by the actual rate of deviation in the populace.

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