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Estimate the correlation coefficient for the data plotted below. 45 40 35 30 25 20 15 10 5 0 0 10 0.95 0.35 -0.35 -0.95 20 30 40 ● 50 60

Estimate the correlation coefficient for the data plotted below. 45 40 35 30 25 20 15 10 5 0 0 10 0.95 0.35 -0.35 -0.95 20 30 40 ● 50 60

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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### Estimating the Correlation Coefficient **Question:** Estimate the correlation coefficient for the data plotted below. Below is a scatter plot displaying a set of points, each defined by x and y coordinates: - **X-axis (Horizontal):** Ranges from 0 to 60. - **Y-axis (Vertical):** Ranges from 0 to 45. The plotted data points appear to be somewhat scattered, with a general upward trend, suggesting a positive correlation. However, there is one data point around (10, 40) that appears to be an outlier compared to the rest of the data points. **Options for the correlation coefficient estimate:** - ○ 0.95 - ○ 0.35 - ○ -0.35 - ○ -0.95 Based on the upward trend and scatter of the data points, select the most appropriate correlation coefficient.
Transcribed Image Text:### Estimating the Correlation Coefficient **Question:** Estimate the correlation coefficient for the data plotted below. Below is a scatter plot displaying a set of points, each defined by x and y coordinates: - **X-axis (Horizontal):** Ranges from 0 to 60. - **Y-axis (Vertical):** Ranges from 0 to 45. The plotted data points appear to be somewhat scattered, with a general upward trend, suggesting a positive correlation. However, there is one data point around (10, 40) that appears to be an outlier compared to the rest of the data points. **Options for the correlation coefficient estimate:** - ○ 0.95 - ○ 0.35 - ○ -0.35 - ○ -0.95 Based on the upward trend and scatter of the data points, select the most appropriate correlation coefficient.
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