Question
Data were collected on the age (in years) and price (in thousands of dollars) of a random sample of 25 used Cars. The computer output
Data were collected on the age (in years) and price (in thousands of dollars) of a random sample of 25 used Cars. The computer output from a regression analysis is provided.
Model Summary
R-sqR-sq(adj)
89.9%87.4%
Coefficients
TermCoefSECoefT-ValueP-Value
Constant15.290.5826.180.000
Age-1.710.13-13.550.000
What is the value of the correlation coefficient?Round your answer to 3 decimal places.
What percent in the variation of the price of the cars can be explained by the age of the car?do not include the percentage sign with your answer.
What is the predicted price (in thousands) of a car that is 6 years old?Round your answer to 2 decimal places.For example if you find 1.12 is the price in thousands enter 1.12.
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