Which of the following statements about a linear regression model are correct?

i) It is possible that a high R-square can result from outliers

ii) It is always true that the high the R-square, the better the linear regression model

iii) Scatterplot can be helpful in identifying the existence of outliers in fitting a regression model

iv) Regression model cannot produce a range of predictions.

v) A p-value higher than 0.5 suggests the estimated coefficient is statistically significant.

a. i) and v)

b. i), ii) and iii)

c. i) and iii)

d. iv) and v)

e. None of the above