Master Data Analysis
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Questions and Answers

Which type of data is measured numerically?

  • Ordinal data
  • Categorical data
  • Qualitative data
  • Quantitative data (correct)

    • What is the range of a data set?

  • The middle value of a data set
  • The spread of the data around the mean
  • The most frequently occurring value
  • The difference between the largest and smallest values (correct)

    • What does the median of a data set represent?

  • The spread of the data around the mean
  • The average of the data set
  • The middle value of a data set (correct)
  • The most frequently occurring value

    • Which of the following best describes the shape of a symmetrical distribution?

    <p>Bell-shaped (B)</p> Signup and view all the answers

    What is the difference between mean and median?

    <p>Median is the middle value of a data set, while mean is the average value (B)</p> Signup and view all the answers

    When comparing the spread of two data sets, which measure is the most appropriate to use?

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

    Which measure of centre is most appropriate to use for a skewed data set?

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

    Which of the following measures of spread is most resistant to outliers?

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

    Which of the following best describes a bimodal distribution?

    <p>A distribution with two modes (D)</p> Signup and view all the answers

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