A Population That Consists of 250 Items Has a Mean

question 14

Multiple Choice

A population that consists of 250 items has a mean of 37 and a standard deviation of 13. A sample of size 5 is taken at random from this population. The standard error of the sample mean equals (up to three decimal places) :

• A) 1.838 .
• B) 1.648 .
• C) 0.822 .
• D) 2.715 .

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Definitions:

Bending Forward

A physical movement where the upper body moves closer to the legs, often used in exercises or as a stretch.

Shrugging Shoulders

A movement involving elevation of the shoulders, often as a gesture of indifference or to activate specific muscles in the upper body.

Biaxial Joint

A type of synovial joint that allows movement around two axes, providing a greater range of motion, such as seen in the wrist or ankle.

Articular Cartilage

A smooth, white tissue that covers the ends of bones where they come together to form joints.