As Shown in the Accompanying Figure, Which of the Following

question 35

Multiple Choice

As shown in the accompanying figure, which of the following is an unsolicited e-mail message or newsgroup posting sent to many recipients or newsgroups at once?

• A) Hash
• B) Spam
• C) Worm
• D) Spike

---

Definitions:

Positive Skew

A distribution pattern in data where the tail on the right side of the histogram is longer or fatter than the left side, indicating that the majority of data points lie to the left of the mode.

Chi-square

A statistical test used to determine if there is a significant association between two categorical variables.

Independent Samples

Two or more groups of observations that are collected from populations which do not overlap, important in statistical testing for comparing means.

Leptokurtic

Refers to a distribution that is more peaked than a normal distribution, indicating a higher level of outliers.