An outlier is a data point that significantly differs from other data points in a dataset. It is an observation that lies an abnormal distance from other values in a sample. To determine an outlier, you can use statistical methods such as the Z-score, which measures how many standard deviations a data point is from the mean. Another method is the IQR (Interquartile Range) method, where outliers are identified as data points that fall below Q1 - 1.5 * IQR or above Q3 + 1.5 * IQR, where Q1 and Q3 are the first and third quartiles, respectively, and IQR is the interquartile range. **

In statistics, an outlier is a data point that significantly differs from the rest of the data. One way to recognize an outlier is by creating a box plot or a scatter plot to visually identify data points that are far away from the main cluster of points. Another method is to calculate the z-score of each data point and identify those with z-scores that fall outside a certain range, typically considered to be more than 3 standard deviations away from the mean. Outliers can have a significant impact on the results of statistical analysis, so it is important to identify and properly handle them in data analysis. **

In statistics, an outlier is identified by being significantly different from the other data points in a dataset. One common method to identify outliers is using the interquartile range (IQR) method, where an outlier is any data point that falls below Q1 - 1.5 * IQR or above Q3 + 1.5 * IQR. Another method is using z-scores, where data points with z-scores greater than 3 or less than -3 are considered outliers. Visual methods such as box plots or scatter plots can also help identify outliers by showing data points that are far away from the main cluster of points. **

The caricature of the summit conference in Helsinki shows the leaders of the United States and Russia, Donald Trump and Vladimir Putin, sitting at a table with Trump holding a puppet string attached to Putin. This caricature is a satirical representation of the perception that Trump is under the control or influence of Putin, suggesting that Putin is pulling the strings and manipulating Trump. The image reflects the controversy and speculation surrounding the relationship between the two leaders and the potential influence of Russia on the United States. **

A symposium is a formal gathering or meeting where experts in a particular field come together to discuss and exchange ideas on a specific topic. It is often organized as a series of presentations, panel discussions, and Q&A sessions, allowing participants to share their knowledge and insights with each other. Symposia are commonly held in academic and professional settings, providing a platform for networking, collaboration, and learning within a specific discipline or industry. **

"Der Kongress tanzt" is a German phrase that translates to "The Congress Dances" in English. The phrase originated from the Congress of Vienna in 1814-1815, where European diplomats and leaders gathered to reorganize Europe after the Napoleonic Wars. The phrase is a metaphor for the diplomatic and political maneuvering that took place during the Congress, likening it to a dance where participants carefully navigated their relationships and alliances. It reflects the complex and intricate nature of international diplomacy and negotiations during this historic event. **

A convention is a formal agreement or a set of accepted norms and practices that govern behavior in a particular context or industry. It is a customary way of doing things that is widely recognized and followed by a group of people. Conventions help to establish consistency, order, and predictability in social interactions or professional settings. They can vary across different cultures, societies, or fields of study. **

The G20 summit is a meeting of the leaders of the world's 20 largest economies, representing both developed and developing countries. The summit provides a platform for these leaders to discuss and coordinate on global economic issues, such as trade, finance, and development. It is an opportunity for countries to work together to address common challenges and promote global economic stability and growth. The G20 summit also serves as a forum for leaders to address pressing international issues, such as climate change, terrorism, and global health crises. **