Poor teacher
n=6
m=6
SS=30
Avg teacher
n=8
M=2
SS=33
Good teacher
n=10
M=2
SS=42
N=42
G=72
Sigma squared= 393
*HOW DO I OBTAIN THE TOTALS FOR THE GOOD TEACHER, AVG TEACHER, AND POOR TEACHER. THEY ARE NOT GIVEN IN THE PROBLEM.
alpha level=.05
I did a one way anova independent groups test, and there was a signifcicant difference.
Summary ANOVA Table:
Source... SS...df...MS... F
Between...72...2...36... 7.2
Within...105...21...5
Total...177...23
(i aquired SS between by subtracting SStotal from SSwithin)
* Now I have to calcuate a Scheffe for this problem.
Scheffe for Poor Teacher VS Good Teacher
F= MS between/MS within=?/5
MSbetween= SSbetween/ Df between=?/2
SS between= How do I calculate SS between when I wasn't given the totals in the problem?
SS between formula: Sigma Total squared/n divided by Grand total Squared/N
I need the totals for good teacher, avg teacher, and poor teacher before I can move on to do the Scheffe test for this problem.
Sorry, if this comes off very confusing. But if you could help me I would really appreciate it. Thanks!
I don't think any of our teachers have enough training in that subject to be able to help you.
To calculate the totals for the good teacher, average teacher, and poor teacher, you can use the information provided in the problem. Here's how you can obtain the totals:
1. Poor teacher:
- n = 6 (the number of data points for the poor teacher)
- m = 6 (assumed as the missing information)
- SS = 30 (the sum of squares for the poor teacher)
To calculate the total for the poor teacher, you need to divide the sum of squares (SS) by the number of data points (n):
Total for Poor Teacher = SS / n = 30 / 6 = 5
Therefore, the total for the poor teacher is 5.
2. Average teacher:
- n = 8 (the number of data points for the average teacher)
- M = 2 (assumed as the missing information)
- SS = 33 (the sum of squares for the average teacher)
To calculate the total for the average teacher, you need to divide the sum of squares (SS) by the number of data points (n):
Total for Average Teacher = SS / n = 33 / 8 = 4.125
Therefore, the total for the average teacher is 4.125.
3. Good teacher:
- n = 10 (the number of data points for the good teacher)
- M = 2 (assumed as the missing information)
- SS = 42 (the sum of squares for the good teacher)
To calculate the total for the good teacher, you need to divide the sum of squares (SS) by the number of data points (n):
Total for Good Teacher = SS / n = 42 / 10 = 4.2
Therefore, the total for the good teacher is 4.2.
Now that you have the totals for the poor teacher, average teacher, and good teacher, you can proceed to calculate the Scheffe test.