TABLE 2- 5
the Following Are the Durations in Minutes

question 38

Multiple Choice

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$
-Referring to Table 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

• A) 14
• B) 74
• C) 26
• D) 10

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Definitions:

Force Field

A concept in psychology and organizational change referring to the dynamic between forces driving change and forces resisting it, influencing the pace and direction of change.

Driving Forces

The motivations or influences that propel an individual, group, or organization towards specific goals or changes.

Restraining Forces

Factors that hinder or slow down the process of change within an organization.

Stability

The quality of being steady and unchanging, often used to describe a steady job or a stable economic environment.