A Researcher Has Developed the Regression Equation ŷ = 2

question 36

Multiple Choice

A researcher has developed the regression equation ŷ = 2.164 + 1.3657x, where n = 6, the mean of x is 8.667, SS_xx = 89.333, and S_e = 3.44.The researcher wants to test if the slope is significantly positive, and he chooses a significance level of 0.05.The critical t value is ______.

• A)2.776
• B)2.132
• C)2.015
• D)1.943
• E)1.782

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Definitions:

Pilot Control Device

A manual or automatic apparatus used to start, stop, or regulate the operation of machines via control circuits.

Loss of Power

The condition where electrical power supply to a device, system, or area is interrupted or cut off.

Hand-off-automatic Circuit

A control circuit allowing equipment operation in hand (manual control), off, or automatic modes, depending on the selected setting.

Operator

An operator is a person or device responsible for managing, controlling, or executing the operation of machines, systems, or processes.