The correlation between daily low temperature in degrees Fahrenheit and electricity used in watt-hours is 0.6. If the temperature is converted to degrees Celsius and the electricity used to kilowatt-hours, how will the value of r be affected?
It will increase because a kilowatt-hour is greater than a watt-hour.
It will decrease because a kilowatt-hour is greater than a watt-hour.
It will decrease because Celsius temperatures are lower than Fahrenheit temperatures.
It will stay the same because correlation is unitless.