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ekmusicent4028
11.12.2020 •
Mathematics
Can you please help me, thank you<3
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Ответ:
The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, and a causal relationship exists between the team playing at home and winning.
Step-by-step explanation:
In a scatter plot, the values of two variables are shown, on the x-axis and the y-axis.
The correlation coefficient is a number calculated from the data in the plot, that represents how much the two variables are related to each other.
The value of the correlation coefficient is between -1 and 1.
In particular, we have:
- If the coefficient is positive and near to 1, there is a strong positive correlation: it means that as the independent variable increases, the dependent variable increases as well
- If the coefficient is close to zero, there is no correlation: the two variables are independent from each other
- If the coefficient is negative and near to -1, there is a strong negative correlation: it means that as the independent variable increases, the dependent variable decreases
In this problem, the correlation coefficient is -0.91, so we have strong negative correlation. Therefore, the correct answer is
The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, and a causal relationship exists between the team playing at home and winning.