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Point estimate of the difference between the proportions

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Reference no: EM132145732

In a random sample of 100 male students, 80 reported that they were in favour of writing announced tests, while in a sample of 50 female students 23 favoured writing announced tests. Let the male students be population 1 and the female studens population 2.

  1. Determine the point estimate of the difference between the proportions of the two populations
  2. Calculate the standard error of the difference between the two proportions. Report to 2 decimals correctly.
  3. Give the lower critical value for a 90% confidence interval for the difference between the proportions of the two populations
  4. What is the margin of error of a 90% confidence interval for the difference between the proportions of the two populations? Report to 2 decimals correctly

Reference no: EM132145732

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