A Local Trucking Company Fitted a Regression to Relate the Travel

question 106

Multiple Choice

A local trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles) . The fitted regression is Time = -7.126 + 0.0214 Distance, based on a sample of 20 shipments. The estimated standard error of the slope is 0.0053. Find the value of t_calc to test for zero slope.

• A)2.46
• B)5.02
• C)4.04
• D)3.15 \(b _ { 1 } / s _ { b }\)

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Definitions:

Labor-Force Participation Rate

The percentage of the working-age population that is in the labor force, including both employed and unemployed individuals.

Employed

The state of having paid work or being engaged in an activity or enterprise as a means of earning an income.

Labor-Force Participation Rate

The proportion of the adult population that is either employed or actively looking for employment.

Marginally Attached Workers

Individuals not currently in the labor force who have looked for work within the last year but not in the last four weeks, often due to temporary barriers.