I was wondering if anyone knew of a free tool to plot a frequency response graph. Not from an audio signal, just from the raw data. I've got a ratshack spl meter, and I'd like to be able to plug the ...

Quartiles are the values that divide a data set into quarters: Put the values in order Divide the list into four equal parts The Quartiles are at the divisions The interquartile range shows the range ...

Metal detectors can be a great source of fun, and occasionally even found wealth. They allow the detection of metal objects at a distance, enabling hidden treasures to be discovered. They’re also ...

You can use the Frequency function within Excel in Microsoft Office 2011 for the Macintosh platform to calculate the frequency of data that lies within a certain range. From that calculation you can ...

Investigators searching for the missing Malaysian Airlines flight were ebullient when they detected what sounded like signals from the plane’s black boxes. This was a month ago, and it seemed just a ...