The Following Minitab Display Results from a Study in Which

question 74

Essay

The following Minitab display results from 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. Use a 0.05
significance level. $$\begin{array} { l r c r c c } \text { Source } & \text { DF } & \text { SS } & \text { MS } & \text { F } & \mathrm { p } \\\text { Teacher } & 2 & 56.93 & 28.47 & 1.018 & 0.404 \\\text { Class Size } & 4 & 672.67 & 168.17 & 6.013 & 0.016 \\\text { Error } & 8 & 223.73 & 27.97 & & \\\text { Total } & 14 & 953.33 & & &\end{array}$$

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Definitions:

Product Diversification

This refers to the strategy employed by businesses to increase the variety of products or services they offer to expand into new markets.

Business Plan

A formal written document that outlines a company's objectives, strategies, market analysis, financial forecasts, and management plan.

Top-down Management

A management style where decision-making authority is concentrated at the top level of the organization and decisions are handed down to lower levels.

Opportunity Recognition

The process of identifying and seizing new business prospects or innovative product ideas.