Question

name: alex sepulveda - copet period: 5th date: 9 - 4 - 15 statistics unit 1 vocabulary use your textbook to define the following: word meaning example statistics probability population sampling statistic parameter variable numerical variable categorical variable

Explanation:

• Statistics: The science of collecting, organizing, analyzing, and interpreting data. Example: Analyzing test - scores of students in a class to understand performance distribution.
• Probability: A measure of the likelihood that an event will occur. Example: The probability of getting heads when flipping a coin is 0.5.
• Population: The entire group of individuals, objects, or events that we are interested in studying. Example: All the citizens of a country when studying national health trends.
• Sampling: The process of selecting a subset of individuals from a population to study. Example: Selecting 100 students from a school of 1000 students to study lunch - preferences.
• Statistic: A numerical summary of a sample. Example: The average height of a sample of 50 people.
• Parameter: A numerical summary of a population. Example: The average income of all residents in a city.
• Variable: A characteristic or attribute that can take on different values. Example: Age of people in a room.
• Numerical Variable: A variable whose values are numbers. Example: The weight of animals in a zoo.
• Categorical Variable: A variable whose values are categories. Example: The eye - color of a group of people (blue, brown, green etc.).

Answer:

WORD	MEANING	EXAMPLE
Probability	A measure of the likelihood that an event will occur.	The probability of getting heads when flipping a coin is 0.5.
Population	The entire group of individuals, objects, or events that we are interested in studying.	All the citizens of a country when studying national health trends.
Sampling	The process of selecting a subset of individuals from a population to study.	Selecting 100 students from a school of 1000 students to study lunch - preferences.
Statistic	A numerical summary of a sample.	The average height of a sample of 50 people.
Parameter	A numerical summary of a population.	The average income of all residents in a city.
Variable	A characteristic or attribute that can take on different values.	Age of people in a room.
Numerical Variable	A variable whose values are numbers.	The weight of animals in a zoo.
Categorical Variable	A variable whose values are categories.	The eye - color of a group of people (blue, brown, green etc.).