Determine the interquartile range given the data below In Store Purchases ($) 30 4. 36, 37, 38, 46, 48, 52, 53 56. 64, 64, 71, 80, 82​

Where is the diagram?

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post