Concept explainers
a.
To explain: Whether the
a.
Answer to Problem 14PPS
The scatter plot shows no relationship.
Explanation of Solution
Given information:
The scatter plot is mentioned in the problem.
Formula:
If the value at x axis increases and at the same time value at y axis increases and then decreases then graph shows no relationship.
Consider the scatter plot as mentioned in the problem.
Recall that if the value at x axis increases and at the same time value at y axis increases and then decreases then graph shows no relationship.
Since the x axis represents the year and y axis represents the no. of units of DVD players sold. Here as the no. of years is increases the no. of DVD players is decreases and then increases as in the scatter plot.
Therefore the scatter plot shows no relationship.
b.
To explain: The trend between the year of
b.
Answer to Problem 14PPS
In the year
Explanation of Solution
Given information:
The scatter plot is mentioned in the problem which shows the sellof DVD players and the years.
Formula:
By the scatter plot as mentioned in problem.
Calculation:
Consider the statement the scatter plot is mentioned in the problem which shows the sell of DVD players and the years.
Recall that if the value at x axis increases and at the same time value at y axis decreases and then increases then graph shows no relationship.
As we observed in the problem that when the years is increasing then at the same time the value of units of DVD is decreasing and increasing.
Therefore the trend shows that there is no relationship between the graph of years and units of DVD players sold.
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