Data Analysis Quiz

What type of data is described as unprocessed and needs to be ordered, grouped, rounded, and cleaned?

• Qualitative data

• Quantitative data

• Raw data

• Categorical data

Which type of data can be measured with numbers and is easier to analyze than qualitative data?

• Qualitative data

• Discrete data

• Continuous data

• Quantitative data

What is the main disadvantage of using secondary data according to the document?

• It is time-consuming

• It may be out of date

• It is expensive

• It is less accurate

Which type of data grouping does not require the class intervals to have gaps between them?

• Discrete data grouping

• Continuous data grouping

• Categorical data grouping

• Multivariate data grouping

What is a characteristic of categorical data?

• Can take any value like height or weight

• Involves measuring 2 variables

• Sorted into non-overlapping categories

• Takes only specific numerical values

What is the purpose of a census as described in the document?

• To sample a small number of individuals from the population

• To investigate opinions of a specific group

• To survey the entire population

• To select a biased sample

Which sampling method ensures every individual in the population has an equal chance of being selected?

• Quota Sampling

• Random Sample

• Stratified Sampling

• Judgement Sampling

What is a disadvantage of using a census according to the document?

• It is quick to conduct

• It is unbiased

• It is time consuming

• It only considers a part of the population

What is a biased sample?

• A sample that represents the population fairly

• A sample that does not represent the population fairly

• A sample taken from a random number table

• A sample where every member has an equal chance of being selected

Which of the following is NOT a random sampling technique?

• Using a random number generator

• Picking numbers out of a hat

• Systematic Sampling

• Using a random number table