Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

In this study, we analyze discovery processes of the relevance of mathematics not as a mental process of isolated individuals, but as dynamic processes between individuals and their socio-cultural ...

Early math skills lay the foundation for children’s long-term academic success. An increasing number of randomized controlled math interventions have been carried out across educational settings. The ...