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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Definitions:

Manufacturing Costs

These are expenses directly related to the production of goods, including labor, materials, and overhead.

Selling

The process of promoting and transferring goods or services to a buyer in exchange for money.

Contribution Margin Ratio

The percentage of each dollar of sales that is available to apply to fixed costs and contribute to net income; calculated as unit contribution margin divided by unit selling price.

Unit Contribution Margin

The amount of revenue remaining per unit after deducting variable costs; calculated as unit selling price minus unit variable costs.