Question: the following information summarizes the linear relationship between the age and measured carbon dioxide emissions of vehicles in the US based on a random sample

the following information summarizes the linear relationship between the age and measured carbon dioxide emissions of vehicles in the US based on a random sample of 128 vehicles

all vehicles sampled were between 0-59 years old

LINEAR REGRESSION RESULTS:

CO2 = 142.12 + 2.09 age

sample size: 128

R = .8632

R2 = .7451

PARAMETER. STd. Err

Intercept. 2.98

Slope- 1.09

-calculate test statistic necessary to test whether or not there is a statistically sig linear relationship between vehicle age and CO2 emmisions round answer to two digits past decimal?

-refferirng to previous question concerning linear relationship between age and CO2 suppose the test statistic was 2.03 (it is not) what would you conclude at the .05 level of sig?

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