SCENARIO 12-6
According to an Article in Marketing News, Fewer

question 4

Multiple Choice

SCENARIO 12-6
According to an article in Marketing News, fewer checks are being written at the grocery store checkout than in the past.To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below. $$\begin{array} { | l | c | c | c | } \hline & { \text { Year } } \\\hline \text { Check Written } & \text { Year 1 } & \text { Year 2 } & \text { Year 3 } \\\hline \text { Yes } & 225 & 175 & 125 \\\hline \text { No } & 275 & 325 & 375 \\\hline\end{array}$$
-Referring to Scenario 12-6, what is the form of the alternative hypothesis?

• A)\(H _ { 1 } : \pi _ { 1 } \neq \pi _ { 2 } \neq \pi _ { 3 }\)
• B)\(H _ { 1 } : \pi _ { 1 } \neq \pi _ { 2 } = \pi _ { 3 }\)
• C)\(H _ { 1 } : \pi _ { 1 } = \pi _ { 2 } \neq \pi _ { 3 }\)
• D)\(H _ { 1 } : \text { not all } \pi _ { j } \text { are the same }\)

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Definitions:

Mature Partnership Phase

A stage in the development of partnerships or relationships characterized by stability, high levels of trust, and mutual benefits.

High Quality

Pertains to products, services, or processes that meet or exceed established standards of excellence.

Exchanges

Interactions or transactions between parties, involving the giving and receiving of goods, services, or ideas.

Stranger Phase

A stage in the development of interpersonal relationships where individuals do not yet know each other and are beginning to interact for the first time.