Analysis of variance (ANOVA)
Not what you're looking for?
This problem uses the weights of poplar trees for Year 1 and Site 1. If we use the weights for Year 2 and site 1, the analysis of variance results are shown above.
Assume we want to use a 0.05 significance level in testing the null hypothesis that the four treatments result in weights with the same population mean.
See attached file for full problem description.
Purchase this Solution
Solution Summary
This problem uses the weights of poplar trees for Year 1 and Site 1, then uses the weights for Year 2 and site 1 when the analysis of variance is completed.
Solution Preview
a. What is the null hypothesis?
H0: There is no significant difference in the mean of four treatments
b. What is the alternative hypothesis?
H1: There is ...
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.