A Pet Trainer Wants to Test the Effects of "Treats

question 72

Multiple Choice

A pet trainer wants to test the effects of "treats" and "voice tone" on the speed with which dogs are trained to roll over.For "treats," the trainer used pieces of hot dogs, biscuits, and bacon flavored treats.For "voice tone," the trainer used sing-song, high pitched, and low pitched.Six dogs were randomly assigned to each of the nine cells and the analysis produced the following ANOVA table. $$\begin{array} { | c | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & \mathrm { df } & \mathrm { Ms } & F \\\hline \text { Rows (treats) } & 3.5926 & 2 & 1.79296 & 0.27 \\\hline \text { Colurun (voice tone) } & 14.8148 & 2 & 7.40741 & 1.11 \\\hline \text { Irteraction } & 19.1852 & 4 & 4.79296 & 0.72 \\\hline\end{array}$$ Using $\alpha$ = .05, the appropriate decision for "voice tone" effect is _____________.

• A)reject the null hypothesis \(\mu\) ₁ =\(\mu\)_{2 3}
• B)reject the null hypothesis \(\mu\) ₁ \(\neq\) \(\mu\) ₂ \(\neq\) \(\mu\) ₃
• C)do not reject the null hypothesis \(\mu\) ₁ =\(\mu\)₂=\(\mu\) ₃
• D)do not reject the null hypothesis \(\mu\) ₁ \(\neq\) \(\mu\) ₂
• E)do nothing

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