en new sales representatives for Clark Sprocket and Chain Inc. were required to attend a training program before being assigned to a regional sales office. At the end of the program, the representatives took a series of tests and the scores were ranked. For example, Arden had the lowest test score and is ranked 1; Arbuckle had the highest test score and is ranked 10. At the end of the first sales year, the representatives’ ranks based on test scores were paired with their first year sales. Ranking in Ranking in Annual Sales Training Annual Sales Training Representative ($ thousands) Program Representative ($ thousands) Program Kitchen 319 8 Arden 300 1 Bond 150 2 Crane 280 6 Gross 175 5 Arthur 200 9 Arbuckle 460 10 Keene 190 4 Greene 348 7 Knopf 300 3 a-2. Determine Spearman’s rank correlation coefficient. (Round your answer to 3 decimal places.) b-1. State the decision rule. Use the 0.05 significance level. (Round your answer to 3 decimal places.) b-2. Compute the value of the test statistic. (Round your answer to 3 decimal places.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Ten new sales representatives for Clark Sprocket and Chain Inc. were required to attend a training program before being assigned to a regional sales office. At the end of the program, the representatives took a series of tests and the scores were ranked. For example, Arden had the lowest test score and is ranked 1; Arbuckle had the highest test score and is ranked 10. At the end of the first sales year, the representatives’ ranks based on test scores were paired with their first year sales.

		Ranking in			Ranking in
	Annual Sales	Training		Annual Sales	Training
Representative	($ thousands)	Program	Representative	($ thousands)	Program
Kitchen	319	8	Arden	300	1
Bond	150	2	Crane	280	6
Gross	175	5	Arthur	200	9
Arbuckle	460	10	Keene	190	4
Greene	348	7	Knopf	300	3