An Instructor Divided Her Class into Four Groups and Asked $f$

question 18

Essay

An instructor divided her class into four groups and asked them to keep track of the number of soft drinks that they consume per week. In preparation for using the Kruskal-Wallis test to support or reject an hypothesis about the behavior of the different groups, combine and rank the following data. Find the sum of the ranks $f$ group.

$\begin{array}{l}\text { Soft Drinks Consumed per Week }\\\begin{array}{c|c|c|c}\text { Group A } & \text { Group B } & \text { Group C } & \text { Group D } \\\hline 7 & 4 & 2 & 3 \\10 & 20 & 5 & 9 \\14 & 6 & 13 & 16 \\12 & 11 & 15 & 17 \\8 & 9 & 10 & 18\end{array}\end{array}$

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Definitions:

Option Price

The price at which the holder of an options contract can buy (in the case of a call option) or sell (in the case of a put option) the underlying asset or security.

Hedge Ratio

A ratio used in hedging that compares the value of a position protected through a hedge with the size of the entire position itself.

Stock Price

The cost of purchasing a share of a company, reflecting the value of the company as determined by the supply and demand in the stock market.

Elasticity

An economic measure of how sensitive the quantity demanded or supplied of a good or service is to a change in price.