What happens, in decibels (dB), when we multiply sound intensity by 10?

Problem 1: What happens, in decibels (dB), when we multiply sound intensity by 10? Your answer here: the sound intensity changes by dB Write down the equation that shows how this works Problem 2: If we quadruple (multiply by 4) the intensity of a sound, what is the change in decibels? Your answer here: dB […]

Calculate the normal range by creating the interval that is within 2 standard deviations of the population mean. 

Unit 4 Discussion – The average height for all males is 69.3 inches with a standard deviation of 2.8 inches. For females, the average height is 64 inches and the standard deviation is 2.8.  These are population values. For this week’s discussion, you will calculate a z-score based on your own height and determine whether […]