This histogram gives information about the ages of 115 members of a social club 80% of the members who are over 50 are female
Work out an estimate for the number of female members who are over 50 years of age

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.