Alice and Tom Dive from an Overhang into the Lake

question 40

Multiple Choice

Alice and Tom dive from an overhang into the lake below.Tom simply drops straight down from the edge,but Alice takes a running start and jumps with an initial horizontal velocity of 25 m/s.Neither person experiences any significant air resistance.Just as they reach the lake below,

• A) the speed of Alice is larger than that of Tom.
• B) the splashdown speed of Alice is larger than that of Tom.
• C) they will both have the same speed.
• D) the speed of Tom will always be 9.8 m/s larger than that of Alice.
• E) the speed of Alice will always be 25 m/s larger than that of Tom.

---

Definitions:

Multivariate Data

Data involving two or more variables that are analyzed together to understand patterns and relationships.

Univariate Data

Data consisting of observations on only a single characteristic or variable.

Average Weight

The mean weight calculated by summing all the individual weights and dividing by the number of weights.

Inferential Statistics

Inferential statistics involve using data from a sample to make estimates or test hypotheses about the population from which the sample was taken.