Which of the following statements is false?

Question 10 options:

a)

the most critical step in the regression process is the correct identification of the cost driver(s)

b)

in a multiple regression model, the t-statistic provides no incremental information over and above the R²

c)

the cost estimation model obtained from a regression analysis is more reliable than a cost estimation model obtained using the high-low method

d)

R² indicates the % of variation in the dependent variable that is explained by the independent variable(s)