Shall we go shopping?
The bar graph above shows the average number of customers coming to the shopping mall in each week day.
Which day has the largest difference of customers compared to the previous day of the week?
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1 solution
Moderator note:
I'm glad you pointed out both versions. Many people would only consider an increase or only a decrease.
By looking at the bar graph, it is obvious that the largest difference of customers occurs in either Sunday-Monday or Thursday-Friday.
By subtraction, Monday has 4 9 6 − 2 1 2 = 2 8 4 customers less than Sunday.
Then, Friday has 6 0 1 − 2 9 5 = 3 0 6 customers more than Thursday.
Hence, Friday has the largest difference compared to its previous day of the week.