Question 1:
The hypothesis being tested is:
H0: µ1 = µ2 = µ3
Ha: Not all means are equal
Mean | n | Std. Dev | |||
5.5 | 4 | 3.32 | Group 1 | ||
9.8 | 4 | 1.71 | Group 2 | ||
14.3 | 4 | 2.99 | Group 3 | ||
9.8 | 12 | 4.49 | Total | ||
ANOVA table | |||||
Source | SS | df | MS | F | p-value |
Treatment | 153.17 | 2 | 76.583 | 10.06 | .0051 |
Error | 68.50 | 9 | 7.611 | ||
Total | 221.67 | 11 |
The p-value is 0.0051.
Since the p-value (0.0051) is less than the significance level (0.05), we can reject the null hypothesis.
Therefore, we can conclude that not all means are equal.
Question 2:
Factor 2 | |||||
Means: | |||||
Direct Line | Sexual Line | ||||
Attractive | 4.6 | 4.0 | 4.3 | ||
Factor 1 | Unattractive | 2.4 | 1.6 | 2.0 | |
3.5 | 2.8 | 3.2 | |||
5 | replications per cell | ||||
ANOVA table | |||||
Source | SS | df | MS | F | p-value |
Factor 1 | 26.45 | 1 | 26.450 | 44.08 | 5.69E-06 |
Factor 2 | 2.45 | 1 | 2.450 | 4.08 | .0604 |
Interaction | 0.05 | 1 | 0.050 | 0.08 | .7765 |
Error | 9.60 | 16 | 0.600 | ||
Total | 38.55 | 19 |
There is a main effect of attractiveness. (F (1, 16) = 44.08, p = 0.000)
There is no main effect of pick-up lines. (F (1, 16) = 4.08, p = 0.0604)
There is no interaction effect. (F (1, 16) = 0.08, p = 0.7765)
Question 1A researcher interested in the effects of alcohol on fine motor control randomly assigned 12...
Question 1 A researcher interested in the effects of alcohol on fine motor control randomly assigned 12 participants to one of three groups. Participants consumed either 0, 5, or 15 ounces of alcohol. They traced a star while looking at the image of the star in a mirror. The researcher counted the number of errors each participant made while performing the mirror image tracing task. Conduct a one-way ANOVA on the following data to determine if alcohol affected performance. You...
First, read the article on "The Delphi Method for Graduate Research." ------ Article is posted below Include each of the following in your answer (if applicable – explain in a paragraph) Research problem: what do you want to solve using Delphi? Sample: who will participate and why? (answer in 5 -10 sentences) Round one questionnaire: include 5 hypothetical questions you would like to ask Discuss: what are possible outcomes of the findings from your study? Hint: this is the conclusion....