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Sarah is the office manager for a group of financial advisors who provide financial services for ...

Sarah is the office manager for a group of financial advisors who provide financial services for individual clients. She would like to investigate whether a relationship exists between the number of presentations made to prospective clients in a month and the number of new clients per month. The following table shows the number of presentations and corresponding new clients for a random sample of six employees.

A) Calculate the Spearman rank-order correlation coefficient.
B) Using α = 0.05, perform a hypothesis test to determine if the population rank correlation is different than zero.

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Business Statistics

Edition: 2^nd

Author: Donnelly

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