Data Management and Descriptive Statistics Quiz

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Questions and Answers

What is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information?

  • Data collection
  • Data analysis (correct)
  • Data organization
  • Data interpretation

Which process refers to the method of classifying and organizing data sets to make them more useful?

  • Data presentation
  • Data collection
  • Data analysis
  • Data organization (correct)

What does data collection involve?

  • Interpreting the collected data
  • Classifying and organizing data sets
  • Collecting, measuring, and analyzing accurate insights (correct)
  • Cleansing and transforming data

Which branch of mathematics deals with data collection, organization, analysis, interpretation, and presentation?

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

What is the process of determining conclusions and assigning significance to the collected data?

<p>Data interpretation (B)</p> Signup and view all the answers

What does the presentation of data involve?

<p>Organizing data into tables, graphs, or charts (A)</p> Signup and view all the answers

Which type of variable can be ranked and has order?

<p>Quantitative variable (D)</p> Signup and view all the answers

What type of data represents characteristics such as a person’s gender or marital status?

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

Which is an example of nominal level data?

<p>Eye colors (B)</p> Signup and view all the answers

What is the lowest level of measurement that deals with names, categories, or labels?

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

Which type of variable has an absolute zero and possesses all the features of the interval level?

<p>Ratio variable (B)</p> Signup and view all the answers

What type of statistical data represents a person’s height or weight?

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

Which level of measurement has no starting point but deals with data that can be ordered?

<p>Interval (D)</p> Signup and view all the answers

What type of variable represents data that fits into categories?

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

Which is an example of ratio level data?

<p>Age of students in class (D)</p> Signup and view all the answers

Which type of variable has no mathematical meaning when it takes on numerical values?

<p>Categorical variable (B)</p> Signup and view all the answers

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