The Proof That OLS Is BLUE Requires All of the Following

question 12

Multiple Choice

The proof that OLS is BLUE requires all of the following assumptions with the exception of:

• A)the errors are homoskedastic.
• B)the errors are normally distributed.
• C)E(u_i \(\left| X _ { i } \right) = 0\)
• D)large outliers are unlikely.

---

Definitions:

Fourth Intercostal Space

The space between the fourth and fifth ribs, an important reference point in medical examinations and procedures.

Left Margin

The space on the left side of a page or text that sets the boundary for written or printed content.

Sternum

The breastbone.

Right Margin

The right boundary of a text block in a document, where the line of text ends on the right side.