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Worksheet: Exponential Regression Model

Q1:

An exponential model with the equation 𝑦 = 2 Γ— 1 . 3 π‘₯ is fitted to a set of data. The point ( 2 . 5 , 5 ) is part of the original data set to which the model was fitted. Calculate, to the nearest hundredth, the residual for this point.

Q2:

Given the exponential regression model 𝑦 = 3 . 1 Γ— 0 . 5 π‘₯ , estimate the value of 𝑦 when π‘₯ is equal to 4.

  • A 0.3677
  • B 6.2
  • C 5.772
  • D 0.19375
  • E 3.1625

Q3:

Given the exponential regression model 𝑦 = 4 Γ— 1 . 2 π‘₯ , determine the value of 𝑦 when π‘₯ is equal to 0.