Question

When comparing more than two treatment means, why should you use an analysis of variance instead...

When comparing more than two treatment means, why should you use an analysis of variance instead of using multiple ttests?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
For an experiment comparing more than 2 treatment conditions, why should you use analysis of variance...
For an experiment comparing more than 2 treatment conditions, why should you use analysis of variance rather than separate t tests? a. Separate t tests would require substantially more computations b. A test based on variance is more sensitive than a test based on means c. Conducting several t tests would inflate the risk of a Type 1 error
Why is it better to use an ANOVA (Analysis of Variance) when you have more that...
Why is it better to use an ANOVA (Analysis of Variance) when you have more that 2 levels of an independent variable than to use multiple t-tests? When should you use a Factorial ANOVA in stead of a simple ANOVA?
1. When conducting an analysis of variance, you are comparing two components of variation. What two...
1. When conducting an analysis of variance, you are comparing two components of variation. What two components are you comparing? In order for you to reject the null hypothesis, which component has to be statistically larger?
What is the logic behind the ANOVA analysis? When and why should we use it instead...
What is the logic behind the ANOVA analysis? When and why should we use it instead of the T-tests that seem to be much easier to do? (Question is related to lean six sigma)
​​​​​​​Psychology Statistics You and a fellow student are comparing means for treatment and control groups, mT=7.56...
​​​​​​​Psychology Statistics You and a fellow student are comparing means for treatment and control groups, mT=7.56 and mC=4.78. You use a t-test, and get a statistic of t(45)=2.87, d=.856. Your colleague uses ANOVA, yielding an F statistic of F(1, 45)=8.27. It turns out that you accidentally switched which was group 1 and group 2, and your group means should have been mT=4.78 and mC=7.56. Does your t-statistic change? Does the F-statistic change? Does Cohen’s d change? Why or why not?
When completing a hypothesis test you are comparing the two population means. How do you write...
When completing a hypothesis test you are comparing the two population means. How do you write the null hypothesis? Explain how to determine, in detail, which distribution to use. Assume both distributions are normal or both n's are at least 30. When completing a hypothesis test you are comparing the two population proportions. How do you write the null hypothesis? In order to complete hypothesis test for two population proportions, what requirements need to be met?
1. When comparing two companies, a correlation coefficient of 0 means there is: A. Positive correlation...
1. When comparing two companies, a correlation coefficient of 0 means there is: A. Positive correlation B. Negative correlation C. No correlation D. Need more information 2. When comparing two companies, a correlation coefficient of +1 means there is: A. Positive correlation B. Negative correlation C. No correlation D. Need more information 3. Toyota Motor Corporation would like to increase revenue and decrease risk. It should merge with: A. Nissan Motor Company B. Ford Motor Company C. Google D. Honda...
Which hypothesis test do we use when comparing more than two samples of normal data? Select...
Which hypothesis test do we use when comparing more than two samples of normal data? Select one: a. 1 sample t test b. HOV c. Regression d. ANOVA
What is logistic regression? When should we use logistic regression instead of linear regression? Why cannot...
What is logistic regression? When should we use logistic regression instead of linear regression? Why cannot we use linear regression where logistic regression is used? Provide the generalized multiple logistic regression equation.
The following data represent the results from an independent-measures experiment comparing three treatment conditions. Use a...
The following data represent the results from an independent-measures experiment comparing three treatment conditions. Use a spreadsheet to conduct an analysis of variance with α=0.05α=0.05 to determine whether these data are sufficient to conclude that there are significant differences between the treatments. Treatment A Treatment B Treatment C 12 12 16 12 11 18 12 13 15 11 14 17 13 15 19 F-ratio = p-value = The results obtained above were primarily due to the mean for the third...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT
Active Questions
  • Describe the major functions of the left and right hemisphere. What types of behaviors are expressed...
    asked 3 minutes ago
  • 3. A fair coin is flipped 4 times. (a) What is the probability that the third...
    asked 35 minutes ago
  • An engineer wants to know if the mean strengths of three different concrete mix designs differ...
    asked 35 minutes ago
  • The National Football League (NFL) records a variety of performance data for individuals and teams. To...
    asked 45 minutes ago
  • Associated Strategies obtained significant influence over Cece Corporation by buying 30% of Cece’s 50,000 outstanding shares...
    asked 46 minutes ago
  • A survey of 25 randomly selected customers found the ages shown​ (in years). The mean is...
    asked 50 minutes ago
  • (1)         For this discussion, I would like for you to identify and describe two out of...
    asked 51 minutes ago
  • Determine the open intervals on which the graph is concave upward or concave downward. (Enter your...
    asked 52 minutes ago
  • 9- What is the most widely used technique for determining the best combination of debt and...
    asked 52 minutes ago
  • Katsumoto Inc. (Katsumoto) manufactures and sells collectible swords. Katsumoto currently operates at 80% of its 15,000-unit...
    asked 54 minutes ago
  • A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size...
    asked 1 hour ago
  • Discuss why the longer-term generation of positive free cash flow is important to the providers of...
    asked 1 hour ago