Concept explainers
a.
Draw a
a.
Answer to Problem 3.21SE
The scatterplot is.
Explanation of Solution
Given:
The table shows the data are the times (in months)required to write his books, in increments of
Calculation:
The scatterplot for the given points are.
The horizontal axis x represents the number of books and the vertical axis y represents the time (in months).
b.
Is the relationship between the two variables are linear?
b.
Answer to Problem 3.21SE
The relationship is not linear.
Explanation of Solution
Given:
The table shows the data are the times (in months) required to write his books, in increments of
Calculation:
The scatterplot for the given points are.
The horizontal axis x represents the number of books and the vertical axis y represents the time (in months).
In the scatterplot,
The pattern position is upward
Strength
Formed
Hence the relationship is not linear.
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Chapter 3 Solutions
EP INTRODUCTION TO PROBABILITY+STAT.
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