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For more information, please see full course syllabus of AP Statistics
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Lecture Comments (5)

0 answers

Post by Carlos Rosa on February 27 at 02:47:59 AM

On the Hypothesis Example II, when listing your data in the calculator you mentioned that in the section that looks like u1:, you should make it look like your alternative hypothesis, but you made it not equal to, instead of making it look like the alternative hypothesis you wrote u1<u2.

1 answer

Last reply by: Sandahl Nelson
Mon Apr 4, 2016 3:16 PM

Post by Ayberk Aydin on April 2, 2016

I thought for proportions you have to use a combined p-hat value in the calculations and when checking for normality? The equation for it is (x1+x2)/(n1+n2)

1 answer

Last reply by: Sandahl Nelson
Mon Apr 4, 2016 3:07 PM

Post by Liuzixuan Hu on March 29, 2016

Hey, Mrs. Nelson!

This is Heather. I am using the review book 5 steps to a 5 for self-learning. And I was really confused about which tests I should use because on the book, the author kinda just jumbled all the stuff together.. BUT! Your "Pick Your Test" Map is such a brilliant idea and it helps me tremendously! I just want to say thank you so much! :)

Have a great day!

Heather

Two Samples

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
  • Lesson Overview 0:09
  • What Will a 2 Sample Problem Look Like? 0:40
    • Example 1
    • Example 2
  • Writing Your Hypothesis 3:36
    • Writing Your Hypothesis
  • Hypothesis Test Example I 7:02
    • 1. Write the Hypothesis
    • 2. Check Conditions
    • 3. Calculate the Test Statistic
    • 4. Look Up the P-value
    • 5. Interpret
  • Hypothesis Test Example II 24:50
    • 1. Write the Hypothesis
    • 2. Check Conditions
    • 3. Calculate the Test Statistic
    • 4. Look Up the P-value
    • 5. Interpret
  • Example I: Two Samples Hypothesis Testing 42:11
  • Example II: Two Samples Hypothesis Testing 53:30
  • “Pick Your Test” Map 1:10:47
    • “Pick Your Test” Map
  • Example III: Reliability Testing 1:18:31