Consider the Following to Answer the Question(s) Below

question 9

Multiple Choice

Consider the following to answer the question(s) below:
A sales manager was interested in determining if there is a relationship between college GPA and sales performance among salespeople hired within the last year. A sample of recently hired salespeople was selected and the number of units each sold last month was recorded. Relevant data appear in the table below.
Below are the scatterplot, regression results, and residual plots for these data.
-The correct null hypothesis is

• A) There is a strong relationship between GPA and sales performance.
• B) There is a relationship between GPA and sales performance.
• C) β1 ≠ 0
• D) There is no relationship between GPA and sales performance, and β1 = 0.
• E) There is a relationship between GPA and sales performance, and β1 ≠ 0.

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Definitions:

Introduction Stage

The phase in the product life cycle where a product is launched, marketed, and made available for the first time to potential customers.

Product Development

The process of bringing a new product or service to the market, from idea generation through to market launch.

Introductory Stage

The initial phase of a product life cycle when a product is launched to the market, characterized by marketing efforts to establish its presence.

Marketing Program

A coordinated, comprehensive plan that identifies and specifies strategies and tactics for achieving marketing objectives.