You want to study how economic growth affects the number of college applications across countries. ' on number of college applications and GDP growth in 2014 for 30 different countries. Which of the foil assumptions could be violated? i Heteroskedasticity ii Autocorrelation iii Serious multicollinearity iv Non-normality of error term Select one: A a. Only (i) "i\" b. (i) and (iv) c. (i)I (ii) and (iv) 'A d. (i), (iii) and (iv) e. All could be violated All could be violated All could be violated