There is the positive association shown in the scatter plot and the television number 3 is cost-effective and rated highly by customers.
What is scatter plot?
Scatter plot is the plot of graph in which the values of two variables plotted using their coordinates on the graph.
The average rate of change is the ratio of change in y values to the change in x values of the scatter plot.
The cost and customer rating of 13 televisions is shown on the scatter plot. The televisions are rated on a scale of 0 to 10.
- Television Price (x) Rating (y)
- 1; 185,
- 3; 221, 10; 291,
- 2; 462, 4; 666,
- 5; 686, 4; 730,
- 5; 862, 7; 997,
- 10; 1,055, 9; 1,077,
- 8; 1,263, 7.61,
- Part A: Describe the association shown in the scatter plot.
Here, the price and rating is increasing together in the scatter plot. Thus, there is a positive association.
- Part B: Give an example of a data point that affects the appropriateness of using a linear regression model to fit all the data.
Here, the television number 3 has the high rate with low price. This affect the appropriateness of using a linear regression model to fit all the data.
- Part C: Give an example of a television that is cost-effective and rated highly by customers.
The television number 3 which is rated at 10 but the cost of it has just $221. Thus, the television number 3 is cost-effective and rated highly by customers.
Thus, there is the positive association shown in the scatter plot and the television number 3 is cost-effective and rated highly by customers.
Learn more about the scatter plot here;
https://brainly.com/question/6592115
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