A Racehorse Cannot Stand on One Leg, but When It

question 4

Multiple Choice

A racehorse cannot stand on one leg, but when it runs it rarely has more than one leg on the ground. Why is a running horse more stable than a standing one?

• A) Its legs tilt so the hooves fall in line with its center of gravity.
• B) Its momentum gives it stability.
• C) It uses its neck for balance the way a tightrope walker uses a pole.

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Definitions:

Nominal Data

Data categorized without a natural order or ranking, distinguished merely by name.

Binomial Experiment

A statistical experiment that adheres to the following criteria: fixed number of trials, only two possible outcomes, constant probability of success, and independence between trials.

Chi-squared Distribution

A statistical distribution used extensively in hypothesis testing, particularly in tests of independence and goodness-of-fit.

Contingency Table

A table used in statistics to show the distribution of one variable in rows and another in columns, useful for analyzing the relationship between two categorical variables.