Understanding Data Organization and Analysis Formulas
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Questions and Answers

What is the range of the study hours spent by the twenty students?

  • 41
  • 33
  • 32
  • 43 (correct)

    • How many classes were determined for constructing the frequency distribution of study hours?

  • 5 (correct)
  • 7
  • 6
  • 4

    • What is the class width used for constructing the frequency distribution of study hours?

  • 7
  • 9
  • 8 (correct)
  • 6

    • If the students' study hours are grouped into classes, what would the midpoint of the class containing 36 hours be?

    <p>35</p> Signup and view all the answers

    What percentage of students studied less than or equal to 42 hours?

    <p>$40%$</p> Signup and view all the answers

    What is the formula to calculate the class width (L) in a frequency distribution?

    <p>Range / Number of classes</p> Signup and view all the answers

    In a frequency distribution, what does the Lower than cumulative frequency (LCF) indicate?

    <p>Accumulated frequency less than the upper limit value in the class</p> Signup and view all the answers

    What does the Greater than cumulative frequency (GCF) represent in a frequency distribution?

    <p>Frequency greater than the lower limit value in the class</p> Signup and view all the answers

    What is the formula to calculate the class midpoint in a frequency distribution?

    <p>(Class highest limit + Class lowest limit) / 2</p> Signup and view all the answers

    In a statistics class survey, if 10 students were asked about their number of siblings, which data parameter would represent 'total number of observations'?

    <p>Sample size (n)</p> Signup and view all the answers

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