Concept explainers
The percentage of Americans that play online games for the age of 18 years using linear interpolation for the data shown below.
Percent of Americans who Play Online Games | |||||
Age | 15 | 20 | 30 | 40 | 50 |
Percent | 81 | 54 | 37 | 29 | 25 |
Answer to Problem 2BCYP
The percentage of American is 64.13 for 18 years.
Explanation of Solution
Given information: The data for the percentage of Americans who play online games is shown as,
Percent of Americans who Play Online Games | |||||
Age | 15 | 20 | 30 | 40 | 50 |
Percent | 81 | 54 | 37 | 29 | 25 |
Calculation: From the given data the equation for line of fit or regression line using the calculator is written as,
Here
Now the age
Therefore from (1),
Hence, the percentage of Americans for 18 years age is estimated 64.13.
Chapter 4 Solutions
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