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2 cards from this section. Quick, good the night before a test.
What does the slope (b) represent in the context of a linear equation?
Think about how the variables relate to one another.
What does the intercept (a) signify in linear regression?
Consider what the value of y would be if there is no input from x.
What is the formula for a linear regression equation?
Remember the basic formula we discussed in class.
True or False: If the slope is negative, it indicates that as x increases, y also increases.
Think about how slope reflects the direction of change in y based on x.
Given the dataset: (5, 10), (6, 12), (7, 14), fit a linear regression line and provide the slope and intercept.
Remember to calculate the means of x and y and apply the slope formula.
Discuss potential limitations of using linear regression with real-world data.
Think about varied datasets you’ve seen that don’t fit a straight line.
4 more questions in this section. Enroll free to practise them all.
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