The Following ANOVA Table Shows the Results of a Study

question 16

Essay

The following ANOVA table shows the results of a study in which three different teachers taught calculus classes of five different sizes.The class average was recorded for each class.Assuming no effect from the interaction between teacher and class size,test the claim that the teacher has no effect on the class average. $$\begin{array}{l}\begin{array} { l r c c c c } &&\text { Sum of}&{ Mean }\\\text { Source } & \text { DF } & \text { Squares } & \text { Square } & \text { F-ratio } & \text { P-value } \\\text { Teacher } & 2 & 56.93 & 28.47 & 1.018 & 0.404 \\\text { Class } & 4 & 672.67 & 168.17 & 6.013 & 0.016 \\\text { Error } & 8 & 223.73 & 27.97 & & \\\text { Total } & 14 & 953.33 & & &\end{array}\end{array}$$

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Definitions:

Actual Costs

Actual costs represent the total expenses incurred during a specific period for goods produced or services rendered, including materials, labor, and overhead.

Perpetual System

An inventory accounting system that records the sale or purchase of inventory immediately through the use of computerized point-of-sale systems and enterprise asset management software.

FIFO Method

A method used in accounting to value inventory and determine cost of goods sold, assuming the oldest inventory items are sold first.

Material Q

Material Q seems not to be a standard key term in most contexts and without further context appears to be NO.