Review new Help Tell me what you want to do 2. In 2002, the journal Science reported that a study of women in Finland indicated that having sons shortened the lifespans of mothers by about 34 weeks per son, but that daughters helped lengthen the mothers' lives. The data came from church records from the period 1640 to 1870. Read each brief report of statistical research. Then, identify: a) Whether it was an observational study or an experiment? b) What was the population that was being studied? c) What were the variables in the study? d) Identify each variable as either i) Quantitative or categorical ii) Explanatory or response Can a cause-effect relationshin nossibly he determined using the research? Why or why not