Building materials sales statisticians need to have certain mathematical knowledge and data analysis ability. If you used to be poor at math, you may need to spend more time and energy to study and improve your ability.

To be a factory statistician in Africa, you need to adapt to different cultures and working environments, cross-cultural communication and adaptability, and English communication skills. If you only know English, you may need to learn the local language or improve your English.

Statistical work requires patience and care, as well as careful analysis and processing of data. If you are not good at this job, you may need to study and practice hard.

To sum up, building materials sales statistician and factory statistician need to have certain ability and quality. If you can study hard and adapt, I believe you are qualified for this job.