A Demand Curve

question 17

Multiple Choice

A demand curve:

• A)visually displays the demand schedule.
• B)is a graph depicting various price-quantity combinations of a good.
• C)is a graph that shows the quantities demanded by consumers of a particular good or service at various prices.
• D)All of these statements are true.

---

Definitions:

Statistically Significant

A determination that the observed effects or differences in data are unlikely to have occurred by chance, according to a pre-determined threshold.

Null Hypothesis

A statement in statistical analysis that proposes there is no significant difference or relationship between specified populations, or no effect of a treatment.

Region of Rejection

The range of values in a statistical test that leads to the rejection of the null hypothesis, indicating a statistically significant result.

Statistic

A single measure, reported as a number, used to summarize a set of data.