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Questions and Answers

What is the primary goal of this module?

  • To teach you how to calculate percentiles
  • To help you understand the concept of the standard deviation
  • To teach you how to apply the normal distribution to business situations
  • To help you understand the concept of the normal distribution (correct)

    • How does the language used in this learning kit cater to students?

  • It uses a uniform vocabulary level to simplify the lesson
  • It recognizes the diverse vocabulary level of students for a higher understanding of the lesson (correct)
  • It is written in a technical tone to prepare students for advanced courses
  • It is written in a informal tone to make the lesson more engaging

    • What is the purpose of the 'Notes to the Teacher' section?

  • To provide additional resources for students
  • To provide strategies and reminders for facilitators and parents to help students with their home-based learning (correct)
  • To give a brief overview of the module's content
  • To provide a summary of the key concepts in the module

    • Why is it important to answer the post-test at the end of each module?

    <p>To measure the student's understanding of the lesson</p> Signup and view all the answers

    How are the lessons in this module arranged?

    <p>According to the standard sequence of the course</p> Signup and view all the answers

    What kind of situations can the learning from this module be applied to?

    <p>In day-to-day basis experiences</p> Signup and view all the answers

    What is the probability that some students got a score below 40 in the summative test of 11-STEM B?

    <p>0.0188</p> Signup and view all the answers

    What is the mean of the heights of grade 11 students in section A?

    <p>1.6</p> Signup and view all the answers

    What is the standard deviation of the scores in the summative test of 11-STEM B?

    <p>12</p> Signup and view all the answers

    What is the z-score of a student who scored 40 in the summative test of 11-STEM B?

    <p>-2.08</p> Signup and view all the answers

    What is the probability that a student chosen at random from section A has a height greater than 1.75 meters?

    <p>0.6915</p> Signup and view all the answers

    What is the formula to convert a normal value to a z-score?

    <p>z = (x - μ) / σ</p> Signup and view all the answers

    What is the percentage of data that falls within 1 standard deviation of the mean in a normal distribution?

    <p>68.3%</p> Signup and view all the answers

    What is the z-value corresponding to the 97.5th percentile in a standard normal distribution?

    <p>1.96</p> Signup and view all the answers

    A normal distribution has a mean of 50 and a standard deviation of 10. What is the z-score of a value of 65?

    <p>1.5</p> Signup and view all the answers

    What is the characteristic shape of a normal distribution curve?

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

    What is the role of the standard deviation in a normal distribution?

    <p>It measures the variability of the distribution</p> Signup and view all the answers

    What is the probability that a value will fall within 2 standard deviations of the mean in a normal distribution?

    <p>95.4%</p> Signup and view all the answers

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