An interquartile range is finding the median of the first half of the data set, and the second half, then subtracting the first median from the second one.
The Correct option is 36.60 Step-by-step explanation: The key to solving this question lies around measurement conversion,specifically converting grams into its equivalence in kilograms. 1000 grams equal one kilogram 9 grams=9/1000 kg 9 grams=0.009 kg 70 grams=70/1000 kg 1000 grams equal one kilogram 9 grams=9/1000 kg 9 grams=0.009 kg 70 grams=70/1000 kg 70 grams=0.07 kg Julie pays=$600*0.009=$5.4 Jacques pays=$600*0.07=$42 Jacques pays $36.60 more ($42- $5.4) than Julie paid Option is wrong because that was Jacques pays=$600*0.07=$42 Jacques pays $36.60 more ($42- $5.4) than Julie paid Option is wrong because that was what Julie paid Option D is wrong because that was what Jacques paid Option B is obviously wrong
