A Study Is Under Way in Yosemite National Forest to Determine

question 29

Multiple Choice

A study is under way in Yosemite National Forest to determine the adult height of American
Pine trees.Specifically, the study is attempting to determine what factors aid a tree in reaching
Heights greater than 60 feet tall.It is estimated that the forest contains 25,000 adult American
Pines.The study involves collecting heights from 250 randomly selected adult American pine
Trees and analyzing the results.Identify the sample in the study.

• A) The 250 randomly selected adult American pine trees.
• B) The 25,000 adult American pine trees in the forest.
• C) All the adult American pine trees taller than 60 feet.
• D) All American pine trees, of any age, in the forest.

---

Definitions:

Automobile-To-Automobile Variability

Variation in characteristics or properties observed between different automobiles.

Miles Per Gallon

A measure of fuel efficiency in vehicles, representing the number of miles a vehicle can travel per gallon of fuel.

Degrees of Freedom

The number of independent pieces of information available to estimate another piece of information or the parameters of a model.

Treatments

The conditions or interventions applied to participants in an experimental study.