In the Calculation of a Mean for Grouped Data,___________ and ___________

question 103

Multiple Choice

In the calculation of a mean for grouped data,___________ and ___________ are used.

• A)Total sample size,sum of the midpoints of each class
• B)Total sample size,sum of the weighted midpoints
• C)Sum of the frequency of each class,the sum of the midpoints of each class
• D)Sum of the frequency of each class,the sample midpoint

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Definitions:

Central Node

In a network, the central node is the primary point of connection that can communicate with all other nodes, acting as a central hub for data transmission.

DeviceNet Network

A digital, multi-drop communication network that connects and manages industrial devices, using a common industrial protocol.

HART Field Devices

Field devices that use the Highway Addressable Remote Transducer protocol, allowing digital communication over traditional 4-20mA analog wiring.

Digital Communications

The exchange of information between electronic devices through digital signals or data, as opposed to analog communications.