A batting average in baseball represents hits per official time at bat and is calculated by dividing the number of hits by the number of official at-bats. A batting average is used to measure the skill level of a hitter. The highest career batting average in Major League Baseball is .366 by Ty Cobb, and […]
Over half the world’s population lives on less than $2.50 a day, while the world’s billionaires account for 7% of global GDP. The income gap is growing, with the richest 20% accounting for 75% of global private consumption. Over three billion people – more than half of the world’s population in 2010 – live on […]
Scientists at the US National Climatic Data Center measure the Earth’s surface temperature each month and compare it to the previous century’s average to detect climate change trends. Every month since February 1985 has had above-average temperatures, providing evidence of climate change. The average temperature on the surface of the Earth is measured each month […]
The 2018 Global Emotion Survey by Gallup found that 55% of Americans reported feeling very stressed the previous day, higher than the global average of 35%. Americans aged 15 to 49, those with lower income levels, and those dissatisfied with politics reported higher levels of stress, worry, and anger. Chad had the most negative emotions, […]
Americans waste 30 billion pounds of food annually, including 11 billion pounds of fruits and vegetables. This equates to $400 per person per year. 40 million Americans lack a regular source of food while food banks report a 20% increase in demand and a 9% decrease in donations. Processing food waste requires 350 million barrels […]
The average MCAT scores for US and Canadian medical school applicants are around 24-25 for the composite score and 8 for each section. However, the average scores of accepted applicants vary by school, with some having scores well above the national average. The 2008 AAMC data showed average scores for verbal reasoning, biological sciences, and […]
Weighted averages assign different levels of importance to components to arrive at a definitive answer. This is used in grading models and marketing campaigns, and can be adjusted as more facts emerge. The use of weighted averages is common in many different applications, especially in the fields of accounting and various tasks involving mathematical analysis […]
Moving averages can be calculated manually or with technology, using either a simple or weighted average. They help investors ignore daily fluctuations and create an expected figure for a stock. Expert opinions or reports can also provide analysis and comparisons. To calculate a moving average, an individual should first decide which type of moving average […]
General average is a maritime law concept where people involved in a shipping business share the risk of common perils. Compensation for lost cargo is proportional to travel quota, but with extensive insurance coverage, it may not be necessary. The sacrifice of cargo ensures the ship’s safety, and compensation is paid pro rata to those […]
Weighted averages take into account the impact of each number on the overall average, making it more accurate than the arithmetic mean. It is necessary when portions are of different values from the total, such as in portfolio management. Calculation involves determining the percentage each number comprises and multiplying it by the corresponding increase in […]
The moving average convergence divergence (MACD) is a technical trading tool used to detect changes in trends of asset prices. It is calculated by subtracting a 26-day exponential moving average from a 12-day exponential moving average and is often used with a signal line to determine when to buy or sell an asset. Traders use […]
“Average Joe” is a common expression in America for a hypothetical average male, with similar phrases used for women. Placeholder names like “John Doe” and “Jane Roe” have been used in British legal authorities since the 17th century. In the 20th century, US media began using similar phrases. In England, Australia, and New Zealand, the […]