Concept explainers
To determine whether there is a
The amount of time spent talking on a cell phone and the remaining battery life.
Answer to Problem 21E
There is a
There is a causal relationship also.
Explanation of Solution
Given:
Sentence - The amount of time spent talking on a cell phone and the remaining battery life.
Calculation:
There is a positive correlation between theamount of time spent talking on a cell phone and the remaining battery life.
Yes, there is a causal relationship as there is time spent talking on a cell phone, there is battery usage and if there is battery usage, charge will get drained soon and it will reduce the remaining battery life.
Conclusion:
There is a positive correlation between theamount of time spent talking on a cell phone and the remaining battery life.
There is a causal relationship also.
Chapter 4 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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