Section A

MetroWater, a public utility company, uses sampling to test water quality. An automated system selects every 50th water sample passing through the main filtration valve for detailed chemical analysis. Which sampling method is being utilized?

Answer options:

Random sampling

Stratified sampling

Systematic sampling

Cluster sampling

How to approach this question

Identify the key phrase 'every 50th water sample'. A regular interval selection is the definition of systematic sampling.

Full Answer

C.Systematic sampling✓ Correct

Systematic sampling is a statistical method involving the selection of elements from an ordered sampling frame. The most common form is an equiprobability method, where every kth element is selected.

Common mistakes

Selecting random sampling because the process is 'automated'.

Question 02 All questions Question 04

Practice the full ACCA MA — Management Accounting Practice Exam 3

38 questions · hints · full answers · grading

More questions from this exam

Q01Section A GlobalHealth NGO is evaluating the effectiveness of its recent vaccination drive in ru...Easy Q02Section A Quantum AI, a tech startup, classifies its costs to better understand cost behavior. S...Medium Q04Section A AgriYield Corp is analyzing the relationship between the amount of specialized fertili...Medium Q05Section A TransGlobal Logistics uses time series analysis to forecast shipping volumes. The unde...Medium Q06Section A Apex Consultancy, a service firm, is reviewing its IT software costs over a three-year...Medium

View all 38 questions →