A Foreman Wants to Use An $\overline { \mathrm { X } }$

question 15

Multiple Choice

A foreman wants to use an $\overline { \mathrm { X } }$
Chart to control the average length of the bolts manufactured.He has recently collected the six samples given below. $$\begin{array} { c c c c c } \text { Sample } & & & & \\1 & 1.99 & 2.01 & 2.02 & 2.02 \\2 & 2.00 & 2.00 & 2.01 & 2.01 \\3 & 1.98 & 1.99 & 2.01 & 1.98 \\4 & 2.01 & 2.02 & 2.02 & 1.99 \\5 & 1.99 & 1.99 & 2.01 & 1.99 \\6 & 2.03 & 1.98 & 2.03 & 2.04\end{array}$$
Calculate the average range.

• A).036
• B).18
• C).030
• D).05

---

Definitions:

Digital Analytics

The process of analyzing digital data from various sources like websites, mobile apps, and social media platforms to understand and optimize online performance.

Agenda-Setting Theory

A communication theory that suggests mass media has the power to determine which issues are considered important in public and political discourse.

Gatekeeper

A gatekeeper is an individual or entity responsible for controlling access to information, resources, or markets, often acting as a filtering or deciding factor.

Two-Step Flow Theory

Explains that media can also influence early adopters of new ideas (called “opinion leaders”) who filter the content through their own interpretations and then pass it on to influence certain groups of publics.