the correct options are -- 1) There are several observations that have identical or nearly identical x-values yet different y- values. Therefore, the value of y is not determined solely by x, but also by various other factors. 4) There appears to be a general tendency for y to decrease in value as x increases in value. Solution the correct options are -- 1) There are several observations that have identical or nearly identical x-values yet different y- values. Therefore, the value of y is not determined solely by x, but also by various other factors. 4) There appears to be a general tendency for y to decrease in value as x increases in value..