Test for significant differences among 3 treatments
Not what you're looking for?
For the preceding problem you should find that there are significant differences among 3 treatments. The primary reason for the significance is that the mean for treatment 1 is substantially smaller than the means for the other two treatments.To create the following data we started with the values from problem 7 and added 3 points to each score in treatment 1. Recall that adding a constant causes the mean to change but has no influence on the variability of the sample.
In the resulting data the mean differences are much smaller than those in problem 7
1 2 3
n=6 n=6 n=6
M=4 M=5 M=6 N=18
T= 24 T=30 T= 36 G= 90
SS= 30 SS = 35 SS= 40 EX2 = 567
The e is summation
The 2 is to the second power
Purchase this Solution
Solution Summary
The expert tests for significant differences among 3 treatments.
Solution Preview
Please see the attached file
From the given data we have the following:
Sample 1 Sample 2 Sample ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.