What is correlation in statistics?
10.1 Correlation Practice

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
Correlation is a statistical measure that describes the extent to which two variables change together. It indicates the strength and direction of a linear relationship between the variables.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
4.
FLASHCARD QUESTION
Front
What does no correlation mean?
Back
No correlation means that there is no discernible relationship between the changes in two variables.
5.
FLASHCARD QUESTION
Front
How can you visually identify correlation in a scatterplot?
Back
In a scatterplot, correlation can be identified by the pattern of the points. A rising pattern indicates positive correlation, a falling pattern indicates negative correlation, and a random pattern indicates no correlation.
6.
FLASHCARD QUESTION
Front
What is the range of correlation coefficients?
Back
The range of correlation coefficients is from -1 to +1. A coefficient of +1 indicates perfect positive correlation, -1 indicates perfect negative correlation, and 0 indicates no correlation.
7.
FLASHCARD QUESTION
Front
What is the purpose of using correlation in data analysis?
Back
The purpose of using correlation in data analysis is to identify and quantify the strength and direction of relationships between variables, which can inform predictions and decision-making.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Scatterplots and Trendlines

Flashcard
•
8th Grade
15 questions
Scatterplots

Flashcard
•
8th Grade
14 questions
Analyzing Linear Relationships in Scatterplots

Flashcard
•
8th Grade
14 questions
Scatterplots Pre Assessment

Flashcard
•
8th Grade
15 questions
Scatterplots

Flashcard
•
8th Grade
15 questions
scatterplots

Flashcard
•
8th Grade
15 questions
Scatterplots

Flashcard
•
8th Grade
15 questions
Describing and Interpreting Scatter Plots Practice

Flashcard
•
8th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade