Turn over 13 Question 2 continued For the data in Figure 4, a country’s total fertility rate is defined as: “The expected number of children a woman who survives to the end of the reproductive age span will have during her lifetime”. In order to calculate a country’s total fertility rate, the following information is required ● The number of women at each age ● The age of the mother for each birth (c) Suggest a practical difficulty that might arise when collecting this information. You should also include a comment on any bias that may arise due to this practical difficulty. (3) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ (Total for Question 2 is 10 marks)