The graph below shows a line of best fit for data collected on the price of a pepperoni pizza at various restaurants as a function of the diameter of the pizza

select the equation for the line of best fit shown.
a. y=5\4x
b. y=5x
c. y=2x
d. y=4\5x

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above