The Mean Grade of the 30 Students in Section 1

question 111

Multiple Choice

The mean grade of the 30 students in Section 1 is 80. The mean grade of the 40 students in Section 2 is 85. The mean grade of the 30 students in Section 3 is 80. What is the mean grade of all students from the three sections combined?

• A) 80.00
• B) 81.67
• C) 82.00
• D) 85.00

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Definitions:

Aircraft Products Division

A specialized business segment within a company focused on the development, manufacturing, and selling of aircraft-related products.

Home Security Division

A specialized segment within a company that focuses on products and services related to securing homes from intruders, fire, and other dangers.

Transfer Price

The cost at which products or services are exchanged between divisions within the same organization or among affiliated companies.

Transmission Division

A segment within a company or industry that specializes in the development, production, and maintenance of transmission systems.