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5) A company is to replace its fleet of cars. Eight possible models are considered and the transport manager is asked to rank them, from 1 to 8, in order of preference. A saleswoman is asked to use each type of car for a week and grade them according to their sustainability for the job (A-very suitable to E-unsuitable). The price is also recorded. Saleswoman's grade Model S T U V W X Y Z Transports manager's ranking 5 1 7 2 8 6 4 3 B B+ D- C B+ D C+ A- a) Calculate Spearman's rank correlation coefficient between i) price and transport manager's rankings, ii) price and saleswoman's grades. Price (£10's) 611 811 591 792 520 573 683 716 b) Based upon the results in (a) state, giving a reason, whether it would be necessary to use all three different methods of assessing the cars.

5) A company is to replace its fleet of cars. Eight possible models are considered and the transport manager is asked to rank them, from 1 to 8, in order of preference. A saleswoman is asked to use each type of car for a week and grade them according to their sustainability for the job (A-very suitable to E-unsuitable). The price is also recorded. Saleswoman's grade Model S T U V W X Y Z Transports manager's ranking 5 1 7 2 8 6 4 3 B B+ D- C B+ D C+ A- a) Calculate Spearman's rank correlation coefficient between i) price and transport manager's rankings, ii) price and saleswoman's grades. Price (£10's) 611 811 591 792 520 573 683 716 b) Based upon the results in (a) state, giving a reason, whether it would be necessary to use all three different methods of assessing the cars.

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter3: Math Models
Section3.1: Use A Problem-solving Strategy
Problem 3.2TI: Two-fifths of the songs in Mariel’s playlist are country. If there are 16 country songs, what is the...
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5) A company is to replace its fleet of cars. Eight possible models are considered and the transport manager is asked to rank them, from 1 to 8, in order of preference. A saleswoman is asked to use each type of car for a week and grade them according to their sustainability for the job (A-very suitable to E-unsuitable). The price is also recorded. Saleswoman's grade Model S T U V W X Y Z Transports manager's ranking 5 1 7 2 8 6 4 3 B B+ D- C B+ D C+ A- a) Calculate Spearman's rank correlation coefficient between i) price and transport manager's rankings, ii) price and saleswoman's grades. Price (£10's) 611 811 591 792 520 573 683 716 b) Based upon the results in (a) state, giving a reason, whether it would be necessary to use all three different methods of assessing the cars.
Transcribed Image Text:5) A company is to replace its fleet of cars. Eight possible models are considered and the transport manager is asked to rank them, from 1 to 8, in order of preference. A saleswoman is asked to use each type of car for a week and grade them according to their sustainability for the job (A-very suitable to E-unsuitable). The price is also recorded. Saleswoman's grade Model S T U V W X Y Z Transports manager's ranking 5 1 7 2 8 6 4 3 B B+ D- C B+ D C+ A- a) Calculate Spearman's rank correlation coefficient between i) price and transport manager's rankings, ii) price and saleswoman's grades. Price (£10's) 611 811 591 792 520 573 683 716 b) Based upon the results in (a) state, giving a reason, whether it would be necessary to use all three different methods of assessing the cars.
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