n article in Human Factors (June 1989) presented data on visual accommodation (a function of eye movement) when recognizing a peckle pattern on a high-resolution CRT screen. The data are as follows: 6.45, 67.90, 38.77, 42.18, 26.72, 50.77, 39.1, and 50.03. Calculate the sample mean and sample standard deviation. Round your answers to 2 decimal places. Sample mean is Blank 1 Sample standard deviation is Blank 2 Blank 1 Add your answer Blank 2 Add your answer

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KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.