Section 1.1

Section 1.1

Assessment

Flashcard

Mathematics

University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Data?

Back

Data refers to the raw facts and figures collected for analysis. In the context of the study, the GPAs (3.65, 2.80, 1.50, 3.90) are examples of data.

2.

FLASHCARD QUESTION

Front

What is a Population?

Back

A population is the entire group of individuals or instances about whom we hope to learn. In the study, all students who attended the college last year represent the population.

3.

FLASHCARD QUESTION

Front

What is a Variable?

Back

A variable is any characteristic, number, or quantity that can be measured or counted. The cumulative GPA of each student who graduated from the college last year is an example of a variable.

4.

FLASHCARD QUESTION

Front

What is a Statistic?

Back

A statistic is a numerical value that summarizes or describes a characteristic of a sample. The average cumulative GPA of 1000 randomly selected students is an example of a statistic.

5.

FLASHCARD QUESTION

Front

What is a Parameter?

Back

A parameter is a numerical value that summarizes or describes a characteristic of a population. The average cumulative GPA of all students who graduated from the college last year is an example of a parameter.

6.

FLASHCARD QUESTION

Front

What is the difference between a Sample and a Population?

Back

A sample is a subset of individuals selected from a population, while a population includes all individuals of interest. For example, 1000 students (sample) vs. all students who graduated (population).

7.

FLASHCARD QUESTION

Front

What is the purpose of collecting Data in a study?

Back

The purpose of collecting data is to analyze and draw conclusions about a population based on the information gathered from a sample.

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