Due to evaporation, the water wesley's aquarium dropped 2 cm a weeks in july. what integer represents the change in water level during the three-weekmperiod?

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The answer is d the box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. which measure of variability can be compared using the box plots? interquartile range standard deviation mean median

What are the answers for the following questions?