Five Students Took a Math Test Before and After Tutoring

question 8

Essay

Five students took a math test before and after tutoring.Their scores were as follows. $$\begin{array} { c | c c c c c } \text { Subject } & \text { A } & \text { B } & \text { C } & \text { D } & \text { E } \\\hline \text { Before } & 71 & 75 & 69 & 75 & 78 \\\hline \text { After } & 75 & 84 & 67 & 78 & 90\end{array}$$ Do the data suggest that the tutoring improves math scores on average? Perform a paired $\text { t-test }$ at the 10% significance level.

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Definitions:

Competitor-Oriented Pricing

A pricing strategy where a company sets its prices based on competitors' prices rather than solely on its own costs or consumer demand.

Bakery

A place where bread, cakes, cookies, and other baked goods are made or sold.

Price Orientation

An approach to pricing strategy focused on the cost to set prices, where customer demand or competition may play a secondary role.

Donuts

A type of fried dough confection or dessert food, commonly circular with a hole in the middle, often glazed or sugar-coated and sometimes filled.