Its standard deviation depicts the bell curve's relative width around the mean. Bell curves (normal distributions) are commonly used in statistics, including in analyzing economic and financial data.

While “normal” encompasses statistical, medical, psychological, and sociocultural dimensions, its definitions diverge ...

After calculating the standard deviation and before collecting ... three standard deviations from the mean on a normal distribution (bell curve), as indicated by the figure below.

In contrast, the standard deviation for Fund B is 2%. Assuming a normal distribution -- a bell-shaped curve that assumes 68% of variables are within one standard deviation from the mean and 95% of ...

According to a recent poll by Gallup.com, 59% of Americans believe that the amount they pay in income taxes is fair. The survey was based on a sample 1017 American adults. If the pollsters talked to ...

Bill Strazzullo, Bell Curve Trading chief market strategist, joins 'Power Lunch' to discuss the stock sell-off, what levels to watch for a bottom and when to get into the market. White House ...

India will witness above-normal monsoon this year, the weather office has predicted. The prediction is good news for agriculture and the economy as the sector accounts for 18% of India's Gross ...

Operation Sindoor Highlights: The Indian armed forces thwarted fresh attempts by the Pakistani military to target northern and western cities using drones and missiles on Thursday evening, sources ...

I would like to be emailed about offers, event and updates from Evening Standard. Read our privacy notice. TV presenter Angellica Bell became emotional on Celebrity Big Brother as she opened up ...