An instructor was interested in studying students satisfacto…

Questions

An instructоr wаs interested in studying students sаtisfаctоry sоlving of a math problem. The students were given a math problem to solve before and after instruction. Each time, the student was given either a "S" for satisfactory completion or "U" for unsatisfactory completion. Two hundred randomly selected students were involved in the study. "S" after instruction "U" after instruction "S" before instruction 99 14 "U" before instruction 12 75  Besides random sampling and categorical data, what other assumption needs to be met? Is it met?