Sampling

What is the term given to a representative group of the population used for market research ?

• Demographic group

• Market

• Sample

• Segment

Sampling is used in market research because

• A sample can be used to increase the confidence level of statistical findings

• A sample's views are used to represent the population's views

• It can be easier to identify trends from the sample findings

• It is cheaper and quicker to use a sample than to survey the whole market

The sampling method used to interview a given number of respondents with given characteristics, such as their age and gender, is known as

• Cluster

• Quota

• Random

• Stratified

Which method gives each member of the public an equal chance of being selected as part of a sample?

• Cluster

• Quota

• Random

• Stratified

Which method is used when a population is widely dispersed across geographical locations?

• Cluster

• Quota

• Random

• Stratified

Which of the following is not a feature of quota sampling?

• Choosing a specific number of people in a market segment

• It is relatively cheap to select the sample

• Likely to be very representative of the population

• Samples are collected on a non-random basis

The sampling method that relies on word of mouth to get relevant subjects for a sample is known as

• Quota

• Random

• Snowballing

• Stratified

Which of the following is not a source of sampling error?

• A small sample size being selected

• Dishonesty of respondents

• Errors made in recording data

• Researcher bias

Sampling errors are likely to occur if

• A representative sample is selected

• Random sampling is used

• The sample size is significantly large

• There are sampling discrepancies

Pie charts are used for expressing percentages, such as data on market share.

• True

• False