What Impact Can an Outlier Have on a Correlation

question 16

Multiple Choice

What impact can an outlier have on a correlation?

• A)An outlier that is consistent with the trend of the rest of the data will inflate the correlation.
• B)An outlier that is not consistent with the rest of the data can deflate the correlation.
• C)An outlier in a smaller sample has an especially large impact on a correlation, compared to an outlier in a larger sample.
• D)All of the above.

---

Definitions:

Reliable Cables

Cabling systems known for their durability, consistent performance, and low failure rate, often used in telecommunications and data transmission.

Cluster Sample

A sampling method where the population is divided into clusters, and a random sample of these clusters is chosen for analysis.

Rows

In the context of data, rows represent individual records or observations in a database or table.

Average Age

The mean age of a group of individuals, calculated by adding their ages together and dividing by the total number of individuals.