Question

According to the data reported by the new york state department of health regarding west nile virus for the years 2000-2004, the least squares line equation for the number of reported dead birds (x) versus the number of human west nile virus cases (y) is y = −10.2638 + 0.0491x. if the number of dead birds reported in a year is 748, how many human cases of west nile virus can be expected? (round your answer to the nearest whole number.)

Answer 1

Ans : According to the Equation - 10.2638 + 0.0491x = 10.2638 + 0.0491 X 748 ( Because x= 748, given ) = 10.2638 + 36.72 = 46.99 = 47 (Approximately)