A Preliminary Study of Hourly Wages Paid to Unskilled Employees

question 32

Multiple Choice

A preliminary study of hourly wages paid to unskilled employees in three metropolitan areas was conducted. Seven employees were included from Area A, 9 from Area B, and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?

• A) The mean hourly wages of unskilled employees of all areas are equal.
• B) The mean hourly wages in at least two metropolitan areas are different.
• C) More degrees of freedom are needed.
• D) None of these is correct.

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Definitions:

Bundle Sheath

Bundle sheath cells are specialized cells surrounding the vascular bundles in plants; they play a crucial role in the C4 photosynthetic pathway by concentrating CO2 around the enzyme RuBisCO.

Underground Stems

Stems that grow beneath the surface of the soil which function in nutrient storage and vegetative reproduction.

Fleshy Leaves

Thickened leaves adapted for water storage, common in plants that live in arid environments.

Bulbs

Underground storage organs, consisting of a short stem surrounded by fleshy scales (leaves), used for plant propagation.