What is the energy of a photon of electromagnetic radiation with a frequency of 
Hz?
Definitions:
Sample Mean
The sample mean is the average value of a sample set of numbers, calculated as the sum of the individual values divided by the number of values in the sample.
Population Mean
The average of all the items in a population, representing the central tendency.
Critical Value
A point on a statistical distribution that represents a threshold at which the null hypothesis is rejected if exceeded.
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