Exhibit 10

question 68

Multiple Choice

Exhibit 10.9.A tutor promises to improve GMAT scores of students by more than 50 points after three lessons.To see if this is true,the tutor takes a sample of 49 students' test scores after and before they received tutoring.The mean difference was 53 points better after tutoring,with a standard deviation of the difference equal to 12 points.Let denote the mean of the difference: score after tutoring minus score before tutoring. Refer to Exhibit 10.9.Calculate the value of the test statistic.

Understand the method to calculate predetermined overhead rates based on different allocation bases such as machine-hours, labor-hours, and capacity.

Learn how to determine manufacturing overhead applied to jobs and the computation of unit product costs.

Understand the principle of calculating the cost of unused capacity and how it affects the costing system.

Develop an understanding of how job-order costing systems compute manufacturing overhead and apply it to jobs.

---

Definitions:

Packet Sniffer

A tool or software used to monitor and capture data packets as they traverse a network.

Firewall

A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

Zombie

In computing, a computer connected to the internet that has been compromised by a hacker, virus, or trojan and can be used to perform malicious tasks under remote direction.

Hackers

Individuals skilled in manipulating or entering computer systems, often with the intent to find vulnerabilities or engage in unauthorized activities.