Are You a Pro at Estimating Proportions?
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Questions and Answers

Which formula is used to compute the point estimate of the population proportion?

  • chi-square formula
  • t-score formula
  • binomial proportion formula (correct)
  • z-score formula

    • What is the margin of error in a point estimate?

  • The difference between the sample mean and the population mean
  • The range of values within which the population parameter is estimated to fall (correct)
  • The standard deviation of the sample
  • The difference between the sample proportion and the population proportion

    • What happens to the margin of error when the sample size increases?

  • It remains the same
  • It decreases (correct)
  • It becomes undefined
  • It increases

    • What is the purpose of computing the point estimate of the population proportion?

    <p>To estimate the population proportion based on a sample</p> Signup and view all the answers

    What is the formula for computing the point estimate of the population proportion?

    <p>(Number of successes in sample) / (Sample size)</p> Signup and view all the answers

    How does the sample size affect the accuracy of the point estimate of the population proportion?

    <p>A larger sample size always results in a more accurate estimate</p> Signup and view all the answers

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