All of the information provided is sufficient to solve this problem. The decline

Question

All of the information provided is sufficient to solve this problem.

The decline of salmon fisheries along the Columbia River in Oregon has caused great concern among commercial and recreational fishermen. The paper 'Feeding of Predaceous Fishes on Out-Migrating Juvenile Salmonids in John Day Reservoir, Columbia River (Trans. Amer. Fisheries Soc. (1991: 405-420) gave the accompanying data on y maximum size of salmonids consumed by a northern squaw fish (the most abundant salmonid predator) and x - squawfish length, both in mm. Here is the computer software printout of the summary: Coefficients: Estimate Std. Errort value PrIt) (Intercept)-90.020 16.710 5.387 0.000 Length 0.705 0.048 14.566 0.000 Using this information, give the equation of the least squares regression line and the 95% confidence interval for the slope a) y 16.710x+ 0.048; [0.352, -55.810] b) y 0.705x 16.710; [-122.772,-57.268 y-16.710x 90.020; [0.625, 0.785 d)9--90.020x + 0.705; [-123.975,-56.065] e) 9 = 0.705x-90.020; [0.607, 0.803] None of the above

Explanation / Answer

The intercept is -90.020 as given in the probem, also, the slope is 0.705. (length) the correct answer is E

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