One-Tailed vs. Two-Tailed Tests
Read this topicExplanations 2
- One-Tailed and Two-Tailed Tests Let’s start with Two-Tailed Tests. Two-Tailed tests are often used when testing for a difference in some parameter (i.e. mean) between two groups…
By Paris, Anusha Rahman
- (Video) One Tailed vs. Two Tailed Tests by Joshua Emmanuel In this video by Joshua Emmanuel, you will learn about the differences between one-tailed and two-tailed hypothesis te…
By Anusha Rahman
Problems 5
- If you wanted to test whether or not Group #1's mean is different than Group #2's mean, what kind of hypothesis test would you use?
- If you wanted to see if your friend Kelly's lemonade stand made more money on average over the past 5 summers than your other friend Janice, what kind of test would you choose t…
- A researcher believes that the average cost of an axolotl is 30 dollars. She samples 30 axolotl pet owners and calculates the mean of the sample, X, to be 10 dollars. She wants …
- A researcher wants to know whether the AP statistics scores for her morning and afternoon classes are significantly different from one another. What kind of hypothesis test woul…
- A teacher wants to know whether the AP statistics scores for her morning class is significantly higher from her afternoon class. What kind of hypothesis test would she conduct?