# Question: A What is the linear model b Which two parameters define

a. What is the linear model?

b. Which two parameters define the population straight-line relationship?

c. What sample statistics are used to estimate the three population parameters α, β, and σ?

d. Is the slope of the least-squares line, computed from a sample of data, a parameter or a statistic? How do you know?

b. Which two parameters define the population straight-line relationship?

c. What sample statistics are used to estimate the three population parameters α, β, and σ?

d. Is the slope of the least-squares line, computed from a sample of data, a parameter or a statistic? How do you know?

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