Suppose That a Mail Survey Is Sent to 220 People

question 71

Multiple Choice

Suppose that a mail survey is sent to 220 people and 20 surveys are returned because they were mailed to the wrong address.If completed surveys are received from 60 people,the response rate for this study was:

• A)27.3 percent
• B)30 percent
• C)40 percent
• D)55.6 percent

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Definitions:

Star-Shaped Driver

A tool designed to interact with screws having a star-shaped pattern, often referred to as Torx drivers.

Torx Heads

A type of screw head characterized by a six-pointed star shape, designed to provide a better grip and torque than traditional screw heads.

Open-End Jaw

A wrench design featuring a U-shaped opening that grips two opposite sides of a nut or bolt head.

Box-End

A type of wrench or spanner with a closed loop that fits over the head of a bolt or nut, providing a secure grip for turning.