Twenty-Five Assembly-Line Workers Participated in a Study to Investigate the Relationship

question 66

Multiple Choice

Twenty-five assembly-line workers participated in a study to investigate the relationship between experience and the amount of time required to complete an assembly task. Assembly time (in minutes) and number of months the worker had been employed on the assembly line were measured for each worker. The resulting data on y= time to complete assembly and x= number of months on the assembly line were used to produce the scatterplot and computer output below. ​
​


S= 9.79097 R-Sq = 62.0% R-Sq(adj) = 60.4%
Predict the time required to complete the assembly for an employee with 10 months of experience.

---

Definitions:

Proportional Tax

A tax system where the tax rate remains constant regardless of the amount subject to taxation.

Marginal Tax Rate

The tax rate that applies to each additional dollar of income, indicating how much of the next dollar earned will be taken in taxes.

Average Tax Rate

Average Tax Rate is the proportion of the total income paid as taxes, calculated by dividing the total taxes by the total taxable income.

Total Taxes

The combined amount of all the taxes imposed by a government on an individual or business, including income tax, property tax, sales tax, etc.