Use Minitab to Perform a Kruskal-Wallis Test Using the P-Value

question 7

Essay

Use Minitab to perform a Kruskal-Wallis test using the P-value approach.
-The table below shows the lifetimes (in hours)of random samples of light bulbs of three different brands. At the 0.01 significance level, do the data provide sufficient evidence to conclude that a difference exists between the three population means? $$\begin{array} { l | l | l } \text { Brand A } & \text { Brand B } & \text { Brand C } \\ \hline 190 & 182 & 203 \\ 220 & 170 & 210 \\ 230 & 203 & 199 \\ 215 & 175 & 200 \\ 224 & 178 & 196 \\ 231 & 181 & 197 \end{array}$$

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Definitions:

Currency Fluctuations

Variations in the value of a currency in the foreign exchange market, affecting the cost of imports and exports among countries.

Marketing Opportunities

Refers to potential areas where companies can engage new customers, increase sales, or enhance brand visibility within the market.

Hispanic Population

A demographic group in the United States and other countries characterized by heritage, culture, or language related to Hispanic countries.

Economic Recessions

Periods when an economy experiences a decline in gross domestic product, income, employment, and trade lasting for several months or years.