Percentage and Measures of Central Tendency Review
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Questions and Answers

What does the symbol % represent in mathematics?

  • A way to represent addition
  • A way to indicate division
  • A way to show multiplication
  • A way to describe parts of a whole (correct)
  • What is the formula for calculating percentage?

  • % = frequency / population (correct)
  • % = frequency * population
  • % = population / frequency
  • % = (frequency + population) / 100
  • What does the weighted mean consider that is different from an ordinary arithmetic mean?

  • Each data point contributing equally to the final average
  • The total sum of the data points
  • The range of the data points
  • Some data points contribute more than others to the final average (correct)
  • What does 40% represent in the context of the survey on Dumagat people?

    <p>Percentage of male respondents</p> Signup and view all the answers

    In the context of the survey, what does '60%' represent?

    <p>Percentage of female respondents</p> Signup and view all the answers

    What is the formula for finding the weighted mean?

    <p>(Σx * w) / Σw</p> Signup and view all the answers

    In the given example, what is the weighted mean of Louise's grades?

    <p>93.6</p> Signup and view all the answers

    What does the weighted mean formula (Σx * w) / Σw represent?

    <p>Arithmetic mean</p> Signup and view all the answers

    In the context of the survey conducted, what is the weighted mean for the Dumagat people's response to living in tribal lands as opposed to the city in terms of livelihood?

    <p>3.18</p> Signup and view all the answers

    What is the correct formula for finding the mean score of a set of values?

    <p>(Σx) / N</p> Signup and view all the answers

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