BDM W2

What are data referred to in a particular study?

• Data analysis

• Data collection

• Data set

• Data points

Which type of data is fixed in time?

• Time Series Data

• Cross-sectional Data

• Qualitative Data

• Panel Data

What type of variable is 'Gender' considered?

• Discrete

• Qualitative

• Quantitative

• Continuous

Which scale of measurement has a true zero point?

• Nominal Scale

• Ordinal Scale

• Interval Scale

• Ratio Scale

What is a primary source of data?

• Statistical Yearbook

• Focus group

• Census data

• Historical records

What is the main advantage of probability sampling?

• It requires less time

• It is easier to conduct

• It is unbiased

• It is less expensive

Which sampling method involves selecting every 'kth' individual?

• Simple random sampling

• Cluster sampling

• Stratified random sampling

• Systematic random sampling

What is the purpose of a census?

• To study a sample of the population

• To collect qualitative data

• To analyze secondary data

• To study every unit in a population

Which of the following is a disadvantage of convenience sampling?

• High levels of simplicity

• High sampling error

• Low cost

• Easy access to participants

What does the margin of error (MOE) represent?

• The acceptable amount of sampling error

• The confidence level

• The total sample size

• The population standard deviation