Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
2nd Edition
ISBN: 9780076602919
Author: McGraw-Hill Education
Publisher: McGraw-Hill Education
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Concept explainers

Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as p…
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Question
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Chapter SH, Problem 4.17EP
To determine

To find: The given situation is correlation or causation or both.

Expert Solution & Answer
Check Mark

Answer to Problem 4.17EP

The situation indicates only correlation.

Explanation of Solution

Given information:

The given information is that Giuseppe’s pizzeria noticed a positive correlation between pizza sales and days later in the week.

Calculation:

As causation means that one variable of the data cause the other. And correlation shows by a scatter plot that shows the relationship between a set of data with two variables, graphed as ordered pairs on a coordinate plane.

As by the given information it can be seen that weekend days increases the sales of pizza so here it is a positive correlation but as pizzas sale does not affected totally by the weekdays or weekend days so the situations is not indicates a causation.

Therefore, the situation indicates only correlation.

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Chapter SH, Problem 4.16EP
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Chapter SH, Problem 4.18EP

Chapter SH Solutions

Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)

Ch. SH - Prob. 1.1EPCh. SH - Prob. 1.2EPCh. SH - Prob. 1.3EPCh. SH - Prob. 1.4EPCh. SH - Prob. 1.5EPCh. SH - Prob. 1.6EPCh. SH - Prob. 1.7EPCh. SH - Prob. 1.8EPCh. SH - Prob. 1.9EPCh. SH - Prob. 1.10EP
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