The Personnel Manager at a Company Wants to Investigate Job

question 64

Multiple Choice

The personnel manager at a company wants to investigate job satisfaction among the female employees. One evening after a meeting she talks to all 30 female employees who attended the meeting. Does this sampling plan result in a random sample? Simple random sample? Explain.

• A) No; no. The sample is not random because not all female employees have the same chance of being selected. Those that didn't attend the meeting have no chance of being selected. It is not a simple random sample because some samples are not possible, such as a sample containing female employees who did not attend the meeting.
• B) Yes; yes. The sample is random because all female employees have the same chance of being selected. It is a simple random sample because all samples of size 30 have the same chance of being selected.
• C) No; yes. The sample is not random because not all female employees have the same chance of being selected. Those that didn't attend the meeting have no chance of being selected. It is a simple random sample because all samples of 30 female employees have the same chance of being selected.
• D) Yes; no. The sample is random because all female employees have the same chance of being selected. It is not a simple random sample because some samples are not possible, such as a sample containing female employees who did not attend the meeting.

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Definitions:

Gas Laws

Fundamental laws that describe the behavior of gases, including Boyle’s, Charles's, and Avogadro's laws, relating volume, pressure, temperature, and the amount of gas.

Temperature

A physical quantity that expresses hot and cold, measured on a quantitative scale, it reflects the average kinetic energy of particles in matter.

Pressure

The force exerted per unit area; in the context of gases and liquids, it determines their behavior and properties.

Moles

A unit of measurement used in chemistry to represent a specific amount of substance, based on the number of atoms, molecules, or ions present.