Problem
1. Define the terms "heteroskedasticity" and "homoscedasticity." Explain the effects of heteroskedasticity on the estimates of the parameters and their variances in a normal regression model.
2. Explain the following tests for homoscedasticity.
(a) Ramsey's test.
(b) Gold field and Quant's test.
(c) Glaser's test.
(d) Breach and Pagan's test.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.