Concept explainers
To calculate: Describe three real-world situations one with a
Answer to Problem 16PPE
Positive
Negative correlation: More exercise you do, you lose your weight.
No correlation: If you drink more coffee you will become smart.
Explanation of Solution
Positive correlation: The more stuff you fill in the box, heavier it gets.
Here, the amount of stuff is increasing and with that weight of the box is also increasing, as both are increasing the relation is positive correlation.
Negative correlation: More exercise you do, you lose your weight.
Here, with the increase in exercise amount your weight in decreasing. As one is increasing and other is decreasing the relation is negative correlation.
No correlation: If you drink more coffee you will become smart.
Here, drinking coffee and smartness both are not at all related to each other. So no correlation is there.
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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