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Lecture Comments (2)

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Post by Nicholas Wilkins on March 4, 2013

why don't you verify the conditions which are required

Large Sample Confidence Intervals for Difference in Population Proportion

  • For two large and independent samples, the sampling distribution of 12 is approximately normal.

  • The confidence interval is

    .

Large Sample Confidence Intervals for Difference in Population Proportion

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Sampling Distribution for Difference in Sample Proportion 0:08
    • Large and Independent Samples
    • Confidence Intervals for p1-p2
  • Example 1: Toothpaste 2:04
  • Example 2: Seat Belts 6:20
  • Extra Example 1
  • Extra Example 2