Two Samples,one of Size 14 and the Second of Size

question 60

Multiple Choice

Two samples,one of size 14 and the second of size 13,are selected to test the difference between two population means. How many degrees of freedom are used to find the critical value? Assume the population standard deviations are equal.

• A)27
• B)26
• C)25
• D)14

---

Definitions:

Activity Duration

The total time taken to complete a specific activity, task, or process from start to finish.

CPM Network

A project management tool that models tasks, timelines, and dependencies within a project as a network, standing for Critical Path Method.

Immediate Predecessor

In project management, refers to an activity that must be completed directly before another specific activity can commence.

Network Paths

Sequences of connected nodes and links in a network diagram, representing possible routes through a project schedule or communication framework.