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Correlation — When Pearson’s r Is Not Enough | by Farzad Mahmoodinobar | Feb, 2023

Comparison of various correlation methodologiesOnly One Key Will Unlock, by DALL.E 2We are very familiar with the phrase “correlation does not imply causation” but let’s go through a real example to understand what implications confusing correlation with causation can have. In February 1998, a paper was published claiming a causal association between certain vaccines and autism in children. This paper was later found to be fraudulent and was retracted in 2010. One can only imagine the implication of such a claim on the…

lead school pearson deal: Edtech unicorn Lead to acquire Pearson’s India K-12 business

Edtech unicorn Lead is set to acquire the K-12 India business of British educational services company Pearson, which has been divesting its K-12 businesses in other geographies as well. Lead’s cofounder and chief executive Sumeet Mehta said the acquisition will help the company expand its network to 9,000 schools from around 3,500 currently. He said the all-cash deal will be funded through a fresh capital raise and internal accruals. The deal value was not disclosed. The acquisition, Mehta added, will see around 150…

Lead acquires Pearson’s K-12 biz; KreditBee raises $120 million in new financing tranche

Edtech unicorn Lead is set to acquire the K-12 India business of British educational services company Pearson, which has been divesting its K-12 businesses in other geographies as well. Lead’s cofounder and chief executive Sumeet Mehta said the all-cash deal will be funded through a fresh capital raise and internal accruals.Also in this letter:■ ETtech layoffs tracker: job cuts continue in 2023■ OpenAI in talks to raise at $29 billion valuation■ ETtech Deals DigestLead to acquire Pearson's India K-12 business Lead…

Methods of Calculating Karl Pearson’s Coefficient of Correlation

A statistical tool that helps in the study of the relationship between two variables is known as Correlation. It also helps in understanding the economic behaviour of the variables. However, correlation does not tell anything about the cause-and-effect relationship between the two variables. Correlation can be measured through three different methods; viz., Scatter Diagram, Karl Pearson’s Coefficient of Correlation, and Spearman’s Rank Correlation Coefficient. According to L.R. Connor, “If two or more quantities vary in…

Calculation of Karl Pearson’s Coefficient of Correlation

A statistical tool that helps in the study of the relationship between two variables is known as Correlation. It also helps in understanding the economic behaviour of the variables. However, correlation does not tell anything about the cause-and-effect relationship between the two variables. Correlation can be measured through three different methods; viz., Scatter Diagram, Karl Pearson’s Coefficient of Correlation, and Spearman’s Rank Correlation Coefficient. According to L.R. Connor, “If two or more quantities vary in…