A personnel manager wants to find out if a test carried out during an employee’s interview and a skills assessment at the end of basic training is a guide to performance after working for the company for one year. The table below shows the results of the interview test of 10 employees and their performance after one year. Employee A B C D E F G H I J Interview test, x % 65 71 79 77 85 78 85 90 81 62 Performance after one year, y % 65 74 82 64 87 78 61 65 79 69 Showing your working clearly, calculate the correlation coefficient between the interview test and the performance after one year?
A personnel manager wants to find out if a test carried out during an employee’s interview and a skills assessment at the end of basic training is a guide to performance after working for the company for one year. The table below shows the results of the interview test of 10 employees and their performance after one year. Employee A B C D E F G H I J Interview test, x % 65 71 79 77 85 78 85 90 81 62 Performance after one year, y % 65 74 82 64 87 78 61 65 79 69 Showing your working clearly, calculate the correlation coefficient between the interview test and the performance after one year?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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- A personnel manager wants to find out if a test carried out during an employee’s interview and a skills assessment at the end of basic training is a guide to performance after working for the company for one year. The table below shows the results of the interview test of 10 employees and their performance after one year.
Employee |
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
Interview test, x % |
65 |
71 |
79 |
77 |
85 |
78 |
85 |
90 |
81 |
62 |
Performance after one year, y % |
65 |
74 |
82 |
64 |
87 |
78 |
61 |
65 |
79 |
69 |
Showing your working clearly, calculate the
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