The table below shows the results of a survey into salt intake as estimated by measuring urinary sodium levels. The results are expressed cumulatively. The recommended maximum daily intake of salt is 6 grams.
Calculate (by interpolation) the median salt intake for women in the survey (the median is the amount taken by 50% or less of those in the survey). Express your result to the nearest 0.1g.
can someone explain how to do this ?
answer is E