Simple Correlation
The production department of NBD Electronics would like to explore the relationship between the number of employees who assemble a product and the number produced. The following results are obtained:
|
Number of Assemblers |
Production |
|
2 |
15 |
|
4 |
25 |
|
1 |
10 |
|
5 |
40 |
|
3 |
30 |
The dependent variable is production.
(a) Draw a scatterplot
(b) Based on the scatterplot, does there appear to be any relationship between the number of assemblers and production?
(c) Compute the coefficient of correlation.
(d) Evaluate the strength of the relationship.
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