BIOL 3000/3001 – ANOVA (30 points)
Please submit to the corresponding D2L Assignments folder by midnight on the due date listed.
Use JMP, MS Excel, or calculate by hand.
1.
Using the “Tomato data_ANOVA” on D2L, you are asking the question whether or not there are differences among treatments on tomato growth.
a.
What are the ANOVA assumptions and do the data meet these assumptions?
b.
Fill out the ANOVA table below. c.
What is the critical value for this test?
d.
Are there differences among treatments (assume α = 0.05)? How can you tell?
2.
Using the “cuckoo data_ANOVA” on D2L, you ask the question whether there are differences in body mass of chicks among species that are nest parasitized by cuckoo birds. a.
What are the ANOVA assumptions and do the data meet these assumptions?
b.
Fill out the ANOVA table below. c.
What is the critical value for this test?
d.
Are there differences among species (assume α = 0.05)? How can you tell?
Source
Degrees of
Freedom
Sum of Squares
Mean Squares
F-ratio
Between groups
Within groups
Total
Source
Degrees of
Freedom
Sum of Squares
Mean Squares
F-ratio
Between groups
Within groups
Total
