The production department of Celltronics International wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, 2 employees were assigned to assemble the subassemblies. They produced 9 during a one-hour period. Then 4 employees assembled them. They produced 15 during a one-hour period. The complete set of paired observations follows.
|Number of |
The dependent variable is production; that is, it is assumed that different levels of production result from a different number of employees.
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A scatter diagram is provided below. Based on it, does there appear to be any relationship between the number of assemblers and production?
|(Click to select)NoYes , as the number of assemblers (Click to select)decreasesincreases, so does the production.|
Compute the correlation coefficient. (Negative amounts should be indicated by a minus sign. Round sx, sy and r to 3 decimal places.)
|X||Y||( )2||( )2||( )( )|
References eBook & Resources
Number of One-Hour Assemblers
3 Production (units)
11 x y
55 correlation y-ybar...
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