Multiple choice

Directions: State whether the given statement is true or false.

Standard deviations of more than two component parts cannot be combined in one.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Standard deviations of multiple component parts can be combined using the variance addition rule. For independent parts, variances add directly, and the combined standard deviation is the square root of the sum of variances.

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