onfidence Interval The effects of a toxic pollutant upon fish was examined by pl

Question

onfidence Interval The effects of a toxic pollutant upon fish was examined by placing fish in a solution of water with various concentrations of the pollutant. The time (in minutes) until the fish showed distress was recorded at which the fish were removed from the container. A total of 18 different experiments were performe Note that the pollutant is measured on a logarithmic scale where a change of one unit represents an increase of 10 fold in the pollution concentration. The computer output appears below: TFOR HO PARAMETER STO ERROR TVALUE PR> INTERCEPT 75641 LOGPOLLUT 10269 0.43 234 0.0324 The fited regression line is 1.978 3.82 0001 Y 756-1.03X Y-328-234X Y-756-1027X Y =-103 +7560 u English (US) 4 s9 O F4

Explanation / Answer

SOLUTION :-

The fitted regression line is:

Y = 7.5641-1.0269X

Rounding to two decimals

Y= 7.56 - 1.03X is the fitted regression line

So OPTION 2 is correct.

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