Barbaricum Behavioral Research Analyst interview questions

Emailed for an updated resume and an appointment for the initial interview. Also received an assessment using excel and couple of problems. I didn’t receive the data set for the first problem and asked for a data sheet. I finished my assessment in time but I still couldn’t finish the first problem, since I didn’t have the data set. I had a full day to finish the assessment and it was more than enough time to finish the tasks. I received an answer a week later, which I couldn’t go to the next step. I wish I knew specifically what I missed on the assessment, or the interview to improve. Overall the interview was great just confused with the assessment part.