The Kruskal-Wallis Test Is to Be Used to Determine Whether

question 18

Multiple Choice

The Kruskal-Wallis test is to be used to determine whether there is a significant difference in the satisfaction rating (alpha = 0.05) between three brands of boxed cake mix.Shoppers were asked to rate their satisfaction on various attributes and an aggregate satisfaction score ranging from 1-50 was computed.The following data were obtained: $$\begin{array} { c c c c c c } \text { Cake Mix A } & 19 & 21 & 25 & 22 & 33 \\\text { Cake Mix B } & 30 & 24 & 28 & 31 & 35 \\\text { Cake Mix C } & 39 & 32 & 41 & 42 & 27\end{array}$$ For this test, how many degrees of freedom should be used?

• A)3
• B)2
• C)4
• D)8
• E)1

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Definitions:

Bearish Sentiment

A market condition where investors expect prices to decline, indicating pessimism about future market direction.

Sophisticated Investors

Investors deemed to have significant experience, knowledge, and financial resources to engage in more complex investment opportunities.

Short Interest

The total number of shares of a particular stock that have been sold short by investors but have not yet been covered or closed out.

Risk-adjusted Returns

A calculation of the profit made from an investment adjusted for the risk taken, allowing for a more accurate comparison across different assets.