All of the Following Are Reasonable Explanations of the Labor

question 151

Multiple Choice

All of the following are reasonable explanations of the labor productivity speed-up in the United States except

• A)labor force quality.
• B)technological change.
• C)investment spending.
• D)research and development.

---

Definitions:

Significance Tests

Statistical tests used to determine whether the observed data deviates significantly from the null hypothesis or not.

Significance Test

A statistical test used to determine if there is enough evidence in a sample of data to infer that a condition holds true for the entire population.

Random Sample

A sampling method in which each member of a population has an equal chance of being included, ensuring that the sample represents the entire population.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of the risk of a Type I error.