<em>Answer,</em>
<em>The mean is the average of the numbers. It's quite simple to find the mean. All you do is, add all the numbers togter & divide by how many numbers there are.</em><em><u> In simpler words, it is the sum divided by the count.</u></em>
<em>I'm not sure if you are trying to find the mean for only one row or all the rows together but, I will show you how to do it for all the numbers. </em>
<em>The mean of the numbers is, </em><em>12.47619047619.</em>
<em>Explanation, </em><em>8+9+9+9+10+10+11+11+12+12+12+12+13+13+13+14+14+15+15+16+24= 262.</em>
<em>Then we divide </em><em>262</em><em> by how many numbers there are, </em><em>21</em><em>. Then we get </em><em>12.47619047619.</em>
<em><u>Hope this helps :-)</u></em>