What Could Cause a Canyon to Be Deeper Upstream Than

question 47

Multiple Choice

What could cause a canyon to be deeper upstream than downstream?

• A) the area upstream could be uplifted more than areas downstream
• B) the area upstream is higher above base level and so results in deep erosion
• C) a steeper gradient allows more erosion upstream
• D) all of these

Explain the rounding rule for sample size calculation in estimation problems.

Distinguish between the factors that are and are not relevant in determining sample size when sampling with replacement.

Apply formulas to calculate confidence intervals for population means.

Understand the concept of the error of estimation and its significance in statistical sampling.