Consider the following linear regression prediction equation: Y = 12 + -1x. What is the direction of the relationship between these two variables? A. The relationship between the observed X and the predicted V is negative
B. The relationship between the observed X and the predicted Y is positive
C. There is no relationship between the observed X and the predicated Y
D. There is a weak relationship between the observed X and the predicted Y with no direction

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables