The following are 5 audit populations, auditor judgements and attribute sampling results.

1

2

3

4

5

TDR %

5

5

7

6

8

EPDR %

0

2

2

0

3

ARO %

5

5

5

10

10

Actual sample size

75

200

90

50

50

Number of deviations in the sample

1

1

2

1

3

Required sample size according to Table

Computed upper deviation rate

Accept or reject population?

Please refer to Attribute Sampling Tables at the back of this exam paper.

a.Using Table 14.11, determine therequired sample sizefor each population according to attribute sampling tables. Enter these in the above table.

(1 mark)

b.What isone benefitof selecting a sample sizelargerthan recommended by sampling tables?

(1 mark)

c.What isone disadvantageof selecting a sample sizelargerthan recommended?

(1 mark)

d.What isone disadvantageof selecting a sample sizesmallerthan recommended?

(1 mark)

Question 4 continued next page

Question 4 (continued)

e.What 2 factorsincreasethe required sample size?

(1 mark)

Factor

Higher/lower

f.Determine the CUDR for each population with reference to Table 14.12. Enter these in the table above.

(1 mark)

g.What 2 factorsincreasethe CUDR?

(2 marks)

Factor

Higher/lower

h.Which populations should beacceptedbased on these sample results? Enter these in the table above.

(1 mark)