Jerry Scored 81 on a Test

question 9

Multiple Choice

Jerry scored 81 on a test.The mean of this test was 70,the standard deviation was 10,and the standard error of measurement was 2.Given these data,we can be reasonably certain (2 times out of 3) that Jerry's true score would be in the range from

• A)71 to 91.
• B)75 to 85.
• C)77 to 87.
• D)79 to 83.

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Definitions:

Youngest Oceanic Crust

The most recently formed areas of the ocean floor, typically found at mid-ocean ridges where tectonic plates are diverging and new crust is being created by volcanic activity.

Subduction

Subduction is the process by which one tectonic plate moves under another, descending into the mantle, often leading to volcanic activity and earthquakes.

Youngest Oceanic Crust

The most recently formed areas of the ocean floor, typically located at mid-ocean ridges where tectonic plates are diverging.

Dynamo Electrical Generator

A machine that converts mechanical energy into electrical energy using the principles of electromagnetic induction.