Burnard (1992) sent a questionnaire to a stratified sample of nursing tutors and students in Wales, to study what the tutors and students understood by the term experiential learning. The population size and sample size obtained for each of the four strata are given below:

Respondents were asked which of the following techniques could be identified as experiential learning methods; the number of students in each group who identified the method as an experiential learning method are given below:

Estimate the overall percentage of nursing students and tutors who identify each of these techniques as “experiential learning.” Be sure to give standard errors for your estimates.