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Stat 1 Ch. 1 Review

Stat 1 Ch. 1 Review

Assessment

Flashcard

Mathematics

8th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

Define the population in a study.

Back

The population refers to all members of a specified group that a researcher is interested in studying. For example, in a study of turtle lifespans, the population would be all turtles.

2.

FLASHCARD QUESTION

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a larger population, used to represent that population in a study.

3.

FLASHCARD QUESTION

Front

What is a statistic?

Back

A statistic is a numerical characteristic or measure obtained by using the data values from a sample.

4.

FLASHCARD QUESTION

Front

What is a parameter?

Back

A parameter is a numerical characteristic or measure obtained by using all the data values from a population.

5.

FLASHCARD QUESTION

Front

What is the predictor variable in an experiment?

Back

The predictor variable is the variable that is manipulated or changed to observe its effect on another variable.

6.

FLASHCARD QUESTION

Front

What is the purpose of randomization in experiments?

Back

The purpose of randomization is to reduce bias by ensuring that each participant has an equal chance of being assigned to any group.

7.

FLASHCARD QUESTION

Front

What are the four levels of measurement?

Back

The four levels of measurement are nominal, ordinal, interval, and ratio.

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