Evaluation of market demand for a specific product

The aim of this paper was to evaluate the demand for mobile phones in world at time coronavirus pandemic and predict future development up until end 2022. During covid-19 pandemic, markets all sectors were subdued due limited production sales. As chips electronics one deeply affected areas terms slowdown, along with rapid purchase beginning there also a slowdown method describing series calculation using linear regression is used. In work, it found that decline caused by global consumers' uncertainty maintaining their jobs. Overall, during we saw drop number phone units sold more than 40,000. Furthermore, entire market clearly recovering after crisis.