Statistics Quiz

What is the purpose of descriptive statistics?

• To generalize from samples to populations

• To plan studies and experiments

• To describe a situation

• To determine relationships among variables

What is the definition of inferential statistics?

• To generalize from samples to populations

• To plan studies and experiments

• To describe a situation

• To determine relationships among variables

What is a population in statistics?

• A complete collection of all elements to be studied

• A subcollection of members selected from a population

• A numerical measurement describing some characteristic of a population

• A numerical measurement describing some characteristic of a sample

What is a sample in statistics?

• A complete collection of all elements to be studied

• A subcollection of members selected from a population

• A numerical measurement describing some characteristic of a population

• A numerical measurement describing some characteristic of a sample

What is a parameter in statistics?

• A complete collection of all elements to be studied

• A subcollection of members selected from a population

• A numerical measurement describing some characteristic of a population

• A numerical measurement describing some characteristic of a sample

What is a statistic in statistics?

• A complete collection of all elements to be studied

• A subcollection of members selected from a population

• A numerical measurement describing some characteristic of a population

• A numerical measurement describing some characteristic of a sample

What is the difference between qualitative and quantitative data?

• Qualitative data is measurable, while quantitative data shows classification or attributes

• Qualitative data represents count or measure, while quantitative data is numbers or values

• Qualitative data is categorical, while quantitative data is ordered or ranked categories

• Qualitative data has no real zero, while quantitative data has a real zero

What are independent variables in statistics?

• The cause or influence outcome

• The outcome or the result

• Data that is measurable

• Refers to countable, individualized items

What are dependent variables in statistics?

• The cause or influence outcome

• The outcome or the result

• Data that is measurable

• Refers to countable, individualized items

What is the difference between continuous and discrete data?

• Continuous data is measurable, while discrete data refers to countable, individualized items

• Continuous data represents count or measure, while discrete data is numbers or values

• Continuous data is categorical, while discrete data is ordered or ranked categories

• Continuous data has no real zero, while discrete data has a real zero