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The production department of NDB Electronics wants to explore the relationship between the number of employees who assemble a subassembly and the number produced. As an experiment, two employees were assigned to assemble the subassemblies. They produced 15 during a one-hour period. Then four employees assembled them. They produced 25 during a one-hour period. The complete set of paired observations follows.
Numbers of One-Hour production
Assemblers
(units)
2
15
4
25
1
10
5
40
30
The dependent variable is production; that is, it is assumed that the level of production depends upon the number of employees.
A. Compute the coefficient of correlation.
B. Evaluate the strength of the relationship by computing the coefficient of determination.
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The so-called "Gambler's Fallacy" makes the mistake of not recognizing:
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To test whether the population standard deviation differ significantly using Chi-Square test.
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Select the variable team salary and find the mean, median, and the standard deviation
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Find a 95% confidence interval for the mean daily caloric intake. Interpret this interval.
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