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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the slope (b) represent in the context of a linear equation?
💡 Hint: Think about how the variables relate to one another.
Question 2
Easy
What does the intercept (a) signify in linear regression?
💡 Hint: Consider what the value of y would be if there is no input from x.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the formula for a linear regression equation?
- y = mx + c
- y = a + bx
- y = ax^2 + bx + c
💡 Hint: Remember the basic formula we discussed in class.
Question 2
True or False: If the slope is negative, it indicates that as x increases, y also increases.
- True
- False
💡 Hint: Think about how slope reflects the direction of change in y based on x.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the dataset: (5, 10), (6, 12), (7, 14), fit a linear regression line and provide the slope and intercept.
💡 Hint: Remember to calculate the means of x and y and apply the slope formula.
Question 2
Discuss potential limitations of using linear regression with real-world data.
💡 Hint: Think about varied datasets you’ve seen that don’t fit a straight line.
Challenge and get performance evaluation