Test the Claim That the Samples Come from Populations with the Same

question 36

Essay

Test the claim that the samples come from populations with the same mean. Assume that the populations are
normally distributed with the same variance. At the 0.025 significance level, test the claim that the three brands
have the same mean if the following sample results have been obtained. $$\begin{array} { c c c } \text { Brand A } & \text { Brand B } & \text { Brand } \mathbf { C } \\\hline 32 & 27 & 22 \\34 & 24 & 25 \\37 & 33 & 32 \\33 & 30 & 22 \\36 & & 21 \\39 & &\end{array}$$

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Definitions:

Dental Services

Professional care related to the maintenance and treatment of oral health delivered by licensed practitioners.

Economic Profit

The dissimilarity between total sales revenue and comprehensive spending, including both clear-cut and notional costs.

Price Competitively

Setting a price point for goods or services with the intention of attracting customers by being more favorable or advantageous than those of competitors.

Low Barriers To Entry

Conditions that allow for easy entry into a market by new competitors, often leading to increased competition.