<h2>
	<a name="TOC-Warm-up-1:-Heads-or-tails-"></a>Warm-up 1: Heads or tails?</h2>
<p>
	The goal of this activity is to demonstrate that there is natural variability when we make measurements and observations.</p>
<p>
	<u>The research question for this activity is: </u><br />
	<i>Is there a difference between Canadian and American coins in a coin toss? </i></p>
<h4>
	<a name="TOC-Materials"></a>Materials</h4>
<p>
	For each group or student, you will need:</p>