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Case Study 1-Way ANOVA - PowerPoint PPT Presentation

Case Study 1-Way ANOVA. Yields of Entozoic Amoebae Under 5 Methods of Innoculation Griffin&McCarten(1949). The Journal of Parasitology. Vol.35,#2,pp.193-198. Description. 5 Methods of Innoculation (Conditions) None (Control) Heat at 70C for 10 minutes Addition of 10% Formalin

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Case Study1-Way ANOVA

Yields of Entozoic Amoebae Under 5 Methods of Innoculation

Griffin&McCarten(1949). The Journal of Parasitology. Vol.35,#2,pp.193-198

• 5 Methods of Innoculation (Conditions)

• None (Control)

• Heat at 70C for 10 minutes

• Heat followed by Formalin

• Formalin, followed after 1 hour by heat

• n=10 Replicates per Condition (N=50)

• Y=Yield (10-4)

H0: m1 = m2 = m3 = m4 = m5(No differences in condition effects)

HA: Not all mi are equal (Differences Among Condition Effects)

Levene’s Test

Histogram:

Approximately bell-shaped

Normal Probability Plot:

Approximates a straight line

Fisher’s LSD: m1 > m2 , m1 > m3 , m1 > m4 , m1 > m5

Tukey, Bonferroni: m1 > m2 , m1 > m3 , m1 > m5