Sales and Experience Narrative

question 114

Essay

Sales and Experience Narrative
The general manager of a chain of furniture stores believes that experience is the most important factor in determining the level of success of a salesperson. To examine this belief, she records last month's sales (in $1000s) and the years of experience of ten randomly selected salespeople. These data are listed below.
-Refer to Sales and Experience Narrative. Calculate the Pearson correlation coefficient. What sign does it have? Why?

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Definitions:

Delphinium Nudicaule

A species of perennial flower in the buttercup family known for its vivid red-orange flowers, commonly referred to as the red larkspur.

Punctuated Equilibrium

Model of evolutionary change in a species which suggests that there are long periods of little or no change, followed by brief periods of rapid speciation.

Phyletic Gradualism

Phyletic gradualism is an evolutionary model suggesting that species evolve through a gradual change of populations over long periods of time.