standard_description: Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets.
problem_activity: Problem 1
Watch
this video
(without sound). What properties of reflections are being used to reflect each point?
Problem 2
Refelect
$${\angle ABC }$$
over
$${\overleftrightarrow {DE}}$$
using constructions.
[IMG]
Problem 3
Find the line of reflection between the two figures.
[IMG]


aligns: no