To Eliminate the Bias in Calculating the Variance and Covariance

question 65

Multiple Choice

To eliminate the bias in calculating the variance and covariance of returns from historical data the average squared deviation must be multiplied by _________.

• A) n/(n - 1)
• B) n * (n - 1)
• C) (n - 1)/n
• D) (n - 1) * n

---

Definitions:

Date Downloaded

The specific day on which a file, document, or software was transferred from the internet or another network to a local device.

Date Stored

Refers to the specific date when data was recorded or saved in a database or another storage medium.

Date Taken

Metadata attached to digital photographs that indicates the precise date and time when the photo was captured, useful for organizing and referencing images.

Groove Music

A digital music streaming service developed by Microsoft, offering music streaming, selection, and recommendation features.