The Number of Americans Without Health Insurance (As of 2015)

question 194

Multiple Choice

The number of Americans without health insurance (as of 2015) is approximately

• A) 20 million, or about 6.3 percent of the population.
• B) 49 million, or about 15.3 percent of the population.
• C) 30 million, or about 9.4 percent of the population.
• D) 72 million, or about 22.5 percent of the population.

---

Definitions:

Pairwise Means

The average values obtained from every possible pair of groups or treatments in a study, often used in post-hoc analysis following ANOVA.

Population Means

The average value of a particular characteristic in a population.

Normality

A property of a dataset suggesting that it follows a normal or Gaussian distribution.

Quantitative

Pertaining to or expressing data that can be quantified or measured, often dealing with numbers and counts.