Author Question: In any production process in which one or more workers are engaged in a variety of tasks, the total ... (Read 117 times)

Destiiny22 · **on:** Feb 14, 2020

In any production process in which one or more workers are engaged in a variety of tasks, the total time spent in production varies as a function of the size of the workpool and the level of output of the various activities. In a large metropolitan department store, it is believed that the number of man-hours worked (y) per day by the clerical staff depends on the number of pieces of mail processed per day (x₁) and the number of checks cashed per day (x₂). Data collected for n = 20 working days were used to fit the model:

E(y) = β₀ + β₁x₁ + β₂x₂

A partial printout for the analysis follows:

Parameter Estimates

Calculate a 95% confidence interval for β₁.
◦ -.007 ± .0017
◦ -.007 ± .0007
◦ -4.144 ± .0007
◦ -.007 ± .0036

diana chang · **Reply #1 on:** Feb 14, 2020

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