4. Describe the correlation between hours worked at a job and the money earned.

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter3: Straight Lines And Linear Functions
Section3.4: Linear Regression
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Algebra 1a-Lesson 3.6- Thursday, February 11, 2021
Name:
Period:
There are three different kinds of correlations:
1. Negative Correlation
2. No Correlation
3. Positive Correlation
The Correlation Coefficient, or "r value", is the measure of how well a collection of data points can be modeled by a line.
-1
1
Line with a negative
slope fits best
Perfect Negative Correlation
No line fits because
Line with a positive
no pattern exists
slope fits best
No Correlation
Perfect Positive
Correlation
1. Lst the correlation coefficients in order from least to greatest: 0.79, -0.43, -0.4, 0.82, 0.08
2. If the corelation coefficient is .87, is its relationship considered to be strong positive, weak
positive, strong negative, weak negative, or no correlation?
3. If the correlation coefficient is -0.03, is its relationship considered to be strong positive, weak
positive, strong negative, weak negative, or no correlation?
4. Describe the correlation between hours worked at a job and the money earned.
Transcribed Image Text:Algebra 1a-Lesson 3.6- Thursday, February 11, 2021 Name: Period: There are three different kinds of correlations: 1. Negative Correlation 2. No Correlation 3. Positive Correlation The Correlation Coefficient, or "r value", is the measure of how well a collection of data points can be modeled by a line. -1 1 Line with a negative slope fits best Perfect Negative Correlation No line fits because Line with a positive no pattern exists slope fits best No Correlation Perfect Positive Correlation 1. Lst the correlation coefficients in order from least to greatest: 0.79, -0.43, -0.4, 0.82, 0.08 2. If the corelation coefficient is .87, is its relationship considered to be strong positive, weak positive, strong negative, weak negative, or no correlation? 3. If the correlation coefficient is -0.03, is its relationship considered to be strong positive, weak positive, strong negative, weak negative, or no correlation? 4. Describe the correlation between hours worked at a job and the money earned.
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