Sampling Exercise

8/13/2019 Sampling Exercise

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Sampling Exercise

1. A population is

A) All the people in a country

B) All the sampling units

C) All the samples

D) A number of similar things

2. A sample is

a) A part of a population

b) A free thing you can try at the supermarket

c) An example of a new product

d) All the sampling units

. !f all the items in a population ha"e the same chance of being picked this is#

a) $tatistical

b) %udgemental

c) Cluster

d) &andom

'. !f you use a mathematical approach to pick a sample then this(

a) &andom

b) %udgemental

c) Cluster

d) $tatistical

. !f an auditor uses a feeling* past experience or some other non mathematical way to choose a sample* this is

called(

a) $tatistical

b) &andom

c) +opulationd) %udgemental

,. Can you gi"e three reasons why auditors may choose to sample

-. $ampling risk is the risk that(

a) he auditor picks too small a sample

b) he auditor picks a sample which is too big

c) he conclusion reached by the auditor* would be different* had he sampled all of the population



d) /e picks the wrong sample.

0. An auditor has chosen things like this way* ,* 12* 10 . 3hich sampling method is he using4

a) &andom

b) Block

c) %udgemental

d) !nter"al

5. he auditor has chosen his sample in this way 161. 3hich sampling method is he using4

a. &andom

b. Block

c. %udgemental

d. !nter"al.

1. An auditor has used a calculator to gi"e him numbers*it picks any. 3hich method is he using4

a) &andom

b) Block

c) %udgemental

d) !nter"al.

11. Can you name ' reasons why statistical sampling may be hard to use or not chosen by an auditor.

12. Can you think of reasons why the auditor may choose to audit the whole population. reasons.

1. 3hich statement is true.

a. he bigger the sample the higher the audit risk

b. he smaller the sample the smaller the audit risk

c. he bigger the sample the smaller the audit risk

d. he sample si7e does not affect the audit risk.

1'. A sampling unit is(

a. A single member of a population

b. An item amongst other items

c. he person who is doing the sample



d. All the items in a population.

1. 8ou are the auditor choose a method for this situation. An auditor wants to choose a sample* he thinks all the

items should ha"e the same chance to be chosen. 3hich method would be best4

1,. An auditor wants to check that signatures ha"e been signed always. /e thinks if he can check all the papers

for months* he can be sure this was happening. 3hich method is best.

1-. he auditor has been with the client for a long time* he now knows the client systems "ery well. !n the past

he has always been successful at finding problems using his knowledge or experience. 3hich sampling

method would be best for him.

10. An auditor goes to look at a car production facility. /e notices that when they are testing for 9uality they pick

e"ery 1th car that is they pick a car after each 1 cars. 3hat method is the car company using.

15. 3hen the auditor uses sampling he is trying to( choose the best answer

a. $a"e time by only doing little work

b. Cut costs by only doing little work

c. rying to understand the whole population by testing a small part of it.

d. he auditor thinks e"erything is fine* so he must do little work.

2. 3hich statement is true(

a. !f the tests of controls show the controls are good* the auditor should not do any substanti"e tests

b. !f the tests of controls show the controls are good* the auditor should do a lot of substanti"e tests.

c. !f the tests of controls show the controls are weak* the auditor should do a lot more of tests of controls.

d. !f the tests of controls show the controls are good* the auditor should still do some substanti"e testing.



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Sampling Exercise