Write any three importance of Measurement. Stay Safe, Stay Healthy and Stay Happy ​

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Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.