Use the following description for Questions $4-6.$

LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech sector, worldwide annual turnover rate changes year by year with values between $10$ to $14$ percent turnover rate depending on the year. Within the tech sector, different sub$-$sectors also show differences with regards to job retention. Sectors such as the computer games and computer software industries drive tech turnover the most compared to other sectors$.$