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Section 4.2 Homework
Question
Section 4.2 Homework
1. If the linear correlation between two variables is negative, what can be said about the slope of the regression line? Choose the correct answer below.
- Positive
- More information is needed
- Negative
2. Is the statement below true or false? The least-squares regression line always travels through the point (x,y).
Choose the correct answer below.
- True
- False
3. Explain what each point on the least-squares regression line represents. Choose the correct answer below.
- Each point on the least-squares regression line represents the predicted y-value at the corresponding value of x.
- Each point on the least-squares regression line represents one of the points in the data set.
- Each point on the least-squares regression line represents the y-values that would be considered ideal at that corresponding value of x.
- Each point on the least-squares regression line represents the y-value of the data set at that corresponding value of x.
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This question is taken from Math 136 – Introduction to Statistics » Fall 2021 » Homeworks