Statistics Basics: Descriptive and Inferential Statistics
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Questions and Answers

What is the primary purpose of Inferential Statistics?

  • To make conclusions and decisions about the population based on a sample (correct)
  • To identify the variables that do not change over time
  • To describe the collected data in a scientific way
  • To collect and analyze data from the entire population

What is the term for the process of examining the entire population?

  • Parameter Estimation
  • Data Collection
  • Sampling
  • Census Survey (correct)

What is the definition of a population?

  • A descriptive measure computed from the sample
  • A subset of the population selected to draw a conclusion
  • A certain characteristic that changes from object to object and time to time
  • The totality of things, objects, peoples, etc. about which information is being collected (correct)

What is the purpose of Descriptive Statistics?

<p>To describe the collected data in a scientific way (D)</p> Signup and view all the answers

What is the term for a characteristic that changes from object to object and time to time?

<p>Variable (A)</p> Signup and view all the answers

What is the definition of Data?

<p>A collection of related facts and figures from which conclusions can be drawn (A)</p> Signup and view all the answers

What type of data is collected on variables that cannot assume a numerical value but can be classified into two or more non-numerical categories?

<p>Qualitative data (C)</p> Signup and view all the answers

Which type of variable can assume any numerical value over a certain interval or intervals?

<p>Continuous variable (A)</p> Signup and view all the answers

What is the primary purpose of collecting statistical data?

<p>To analyze and summarize data for further investigation (B)</p> Signup and view all the answers

Which type of data is collected at the same or approximately the same point in time?

<p>Cross-Sectional Data (D)</p> Signup and view all the answers

What is the primary difference between nominal data and ordinal data?

<p>Nominal data has no ranking or order, while ordinal data can be ranked (B)</p> Signup and view all the answers

What is the purpose of a frequency distribution in summarizing categorical data?

<p>To summarize the data into non-overlapping categories (A)</p> Signup and view all the answers

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