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 ...

Box plots can be created from a list of numbers by ordering the numbers and finding the median and lower and upper quartiles. The guideline for median, lower quartile and upper quartile can be used to ...