The following dot plots show the numbers of people per table at Kingsley's Bingo Hall on three different nights. Each dot represents one of the 20 tables. Order the nights from least to greatest typical number of people per table.
Put the graph with the least typical value on top.

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.