World Benchmarking Alliance+CHRB D.1.7 Health and safety+Formula
scores = [CHRB_d17a, CHRB_d17b].filter (option) -> option isnt "Unknown" sum = scores.reduce ((sum, item) -> sum + item), 0 sum/scores.length
scores = [CHRB_d17a, CHRB_d17b].filter (option) -> option isnt "Unknown" sum = scores.reduce ((sum, item) -> sum + item), 0 sum/scores.length