Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
In the equation 𝑌𝑡 = 𝑎 + 𝑏𝑋 + 𝑐𝑋², what does the term 𝑐𝑋² represent?
In the equation 𝑌𝑡 = 𝑎 + 𝑏𝑋 + 𝑐𝑋², what does the term 𝑐𝑋² represent?
- Exponential term
- Linear term
- Quadratic term (correct)
- Cubic term
What type of trend does the parabolic method of least square fit?
What type of trend does the parabolic method of least square fit?
- Linear trend
- Curvilinear trend (correct)
- Exponential trend
- Logarithmic trend
What is the general form of the equation used to obtain a parabolic curve of second degree?
What is the general form of the equation used to obtain a parabolic curve of second degree?
- 𝑌𝑡 = 𝑎 + 𝑏𝑋
- 𝑌𝑡 = 𝑎 + 𝑏𝑋 + 𝑐𝑋² (correct)
- 𝑌𝑡 = 𝑎 + 𝑏𝑋 + 𝑐𝑋² + 𝑑𝑋³
- 𝑌𝑡 = 𝑎 + 𝑏𝑋 + 𝑐𝑋³
What is the name for the parabola obtained when the equation is carried up to the 3rd power of X?
What is the name for the parabola obtained when the equation is carried up to the 3rd power of X?
Signup and view all the answers
What type of equation is determined in the parabolic method of least square?
What type of equation is determined in the parabolic method of least square?
Signup and view all the answers
