<p>The masses, measured to the nearest kilogram, of $20$ boys are given in the table below.</p>
<div class="table-container"><table><colgroup><col style="width: 80px;"><col style="width: 80px;"><col style="width: 80px;"><col style="width: 80px;"><col style="width: 80px;"></colgroup><thead><tr><th style="text-align: center"><p>$80$</p></th><th style="text-align: center"><p>$46$</p></th><th style="text-align: center"><p>$55$</p></th><th style="text-align: center"><p>$57$</p></th><th style="text-align: center"><p>$71$</p></th></tr></thead><tbody><tr><td style="text-align: center"><p>$59$</p></td><td style="text-align: center"><p>$49$</p></td><td style="text-align: center"><p>$75$</p></td><td style="text-align: center"><p>$72$</p></td><td style="text-align: center"><p>$56$</p></td></tr><tr><td style="text-align: center"><p>$76$</p></td><td style="text-align: center"><p>$85$</p></td><td style="text-align: center"><p>$62$</p></td><td style="text-align: center"><p>$65$</p></td><td style="text-align: center"><p>$63$</p></td></tr><tr><td style="text-align: center"><p>$48$</p></td><td style="text-align: center"><p>$68$</p></td><td style="text-align: center"><p>$75$</p></td><td style="text-align: center"><p>$61$</p></td><td style="text-align: center"><p>$55$</p></td></tr></tbody></table></div>
<ol class="i-list"><li><div class="list-item-paragraph">Represent the above data in a stem-and-leaf diagram.</div></li><li><div class="list-item-paragraph">Find the percentage of boys who have a mass of at least $60$ kg. </div></li></ol>

The masses, measured to the nearest kilogram, of $20$ boys are given in the table below.

Represent the above data in a stem-and-leaf diagram.

Find the percentage of boys who have a mass of at least $60$ kg. 

Constructing Stem-and-Leaf Diagram

Constructing Stem-and-Leaf Diagram

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