Exhibit 9-2
N = 64 = 50
S = $\mu$

question 55

Multiple Choice

Exhibit 9-2
n = 64 = 50
s = 16
H₀: $\mu$ 54
H_a: $\mu$ < 54
-Refer to Exhibit 9-2. The test statistic equals

• A)-4
• B)-3
• C)-2
• D)-1

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Definitions:

Screen Out Data

To screen out data means to filter or remove certain data points or information based on predefined criteria, often used in data processing or analysis.

Shift Register

A PLC function capable of storing and shifting binary data.

Examine for On Instruction

A PLC programming command used to check if a specific input or condition is true (or "on") before executing subsequent instructions.

PLC Sequencer Step

A specific stage or operation in a sequence of actions controlled by a Programmable Logic Controller (PLC) to automate processes.