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MATH 120: Introduction to Statistics Lime Spring Week 5 Quiz 2023 $10.49
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MATH 120: Introduction to Statistics Lime Spring Week 5 Quiz 2023

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MATH 120: Introduction to Statistics Lime Spring Week 5 Quiz 2023 1. Using the testscores in the table below, whatis the variance of the scores on the exam? (Round your answer to the nearest whole number.)<br /> A: 27 2. Using the testscores in the table below, what is the standard devi...

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  • November 18, 2023
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  • 2023/2024
  • Exam (elaborations)
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  • math 120 introduction to statistics lime spring w

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  • Math 120
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MATH 120: Introduction to Statistics Lime Spring Week 5 Quiz 2023 1. Using the test scores in the table below, what is the variance of the scores on the exam? (Round your answer to the nearest whole number.)<br /> A: 27 2. Using the test scores in the table below, what is the standard deviation of the scores on the exam? (Round your answer to the nearest whole number.) A: 5 3. Assume that 500,000 people take the GED exam (high school proficiency exam) each year and their scores form a normal distribution. If Danny scores two standard deviations below the mean, what percentile is he? A: 2.5th 4. Assume that 500,000 people take the GED exam (high school proficiency exam) each year and their scores form a normal distribution. If Tara scores one standard deviation above the mean, what percentile is she? A: 84th 5. Assume that 20 people take a math test, which is not enough for a normal distribution to form. If Conrad scores three standard deviations above the mean, what percentile is he?

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