Which of the Following Is Correct of the Longitudinal Profile

question 118

Multiple Choice

Which of the following is correct of the longitudinal profile of most rivers?

• A) It always changes at a constant rate from the headwater region to the sea.
• B) It is convex in shape.
• C) It is concave in shape.
• D) It is gentle upstream and steep downstream.

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Definitions:

Proportions

A statistical measure that reflects the relative size of one part compared to the whole, often expressed as a fraction or percentage.

Proportion of Female Managers

The percentage of managerial positions in an organization or sector that are occupied by women.

Null and Alternative Hypotheses

In hypothesis testing, the null hypothesis is a statement of no effect or no difference, and the alternative hypothesis is the statement that researchers seek to provide evidence for.

One-Sample Test

A statistical test used to determine whether a sample mean significantly differs from a known or hypothesized population mean.