Use the Data in the Given Table and the Corresponding

question 38

Essay

Use the data in the given table and the corresponding Minitab display to test the hypothesis. 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. $$\begin{array} { l r c r c c } \text { Source } & D \boldsymbol { F } & \boldsymbol { S S } & \boldsymbol { M S } & \boldsymbol { F } & \boldsymbol { p } \\\text { Teacher } & 2 & 56.93 & 28.47 & 1.018 & 0.404 \\\text { Class Size } & 4 & 672.67 & 168.17 & 6.013 & 0.016 \\\text { Error } & 8 & 223.73 & 27.97 & & \\\text { Total } & 14 & 953.33 & & &\end{array}$$

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Definitions:

Interest Rate

The amount charged, expressed as a percentage of the principal, by a lender to a borrower for the use of assets.

Compounded Annually

Interest calculation method where the interest is added to the principal sum at the end of each year, affecting the total interest earned or paid.

Compound Interest

Interest calculated on the initial principal, which also includes all of the accumulated interest from previous periods on a deposit or loan.

Per Year

A synonym for annually, denoting events or measurements taking place once every calendar year.