Pearson Correlation Significance Calculator + Critical r
People fail to recognize that if they gets a correlation coefficient of 0.5, there must be a strong relationship between those two variable. Not so … Read More
JSCalc
Scatter Plot Correlation Coefficient Calculator (Pearson r)
Do you have some sort of data? You has two columns of numbers that you suspect is related somehow, but when you look at them, … Read More
Correlation Coefficient P Value Calculator (r and n)
Take your correlation coefficient, which shows a correlation of 0.5 between two variables. That’s pretty impressive, unless you consider it came from a mere sample … Read More
Angle to Degrees Converter (Radians, Gradians, DMS, Mils)
There are angles all around and they’re not always easy to work with. If you want to measure a piece of pie, you intuitively know … Read More
Electrical Energy Converter: kWh, Wh, J, MJ, BTU, Therm
When you look at your electric bill, it’s just some arbitery number on a piece of paper; until you try to calculate it yourself. Then … Read More
Power Energy Converter: Watts, kW, hp, kWh, Joules & BTU
If you’ve ever looked at your electric bill, I’m sure you’ve noticed the numbers there and pondered their relationship to devices in your home. Despite … Read More
Wave Energy Converter Types: WEC Power by Device
Using the power of the ocean has always been hard; its rawness is something that we’ve long treated as easy to ignore. But it’s not: … Read More
Force to Pressure Converter (P = F / A) With Units
Consider this: If you press your thumb onto a balloon, you can put your thumb gently on the surface with no problem. Press slightly harder … Read More
Absolute Pressure Converter: Gauge to Absolute (psia)
Pressure is what most folks consider to be some sort of number on a dial. They have thirty psi in their tires. Okay, now they … Read More
Land Area Unit Converter: Acres, Hectares, Sq Ft, Sq M
What can’t be easily understood by the eye is land area: A fence line might appear normal until you realize it’s on half an acre. … Read More