Random Samples of Size 49 Are Taken from an Infinite

question 136

Multiple Choice

Random samples of size 49 are taken from an infinite population whose mean is 300 and standard deviation is 21.The mean and standard error of the sample mean,respectively,are:

• A)300 and 21
• B)300 and 3
• C)300 and 0.43
• D)None of these choices.

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Definitions:

Vertices

The corners or points where two or more edges meet in a geometric shape.

Shifted

Refers to the transformation of a graph or equation that results in its movement to a different position on the coordinate plane, without altering its shape.

Coordinates

A set of values that show an exact position. On graphs, it usually refers to a pair of numbers that define a point in two-dimensional space.

Units

Standard quantities used to specify measurements.