Cumulative Frequency & Box Plots
1. This question has 3 part(s).
1.1. The frequency table gives information about the ages of the 80 people in a train carriage.
Age (years) | Frequency |
0</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">9</p></td></tr><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">\(20</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">19</p></td></tr><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">\(30</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">17</p></td></tr><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">\(40</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">18</p></td></tr><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">\(50</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">13</p></td></tr><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">\(60</p></td><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">4</p></td></tr></table><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">Complete the cumulative frequency table.</p><table><tr><td><p style="line-height: 1.7" class="text-lg tracking-wide font-normal leading-relaxed">Age (\(a years) | Cumulative frequency |
\(0 | |
\(0 | |
\(0 | |
\(0 | |
\(0 | |
\(0 |
1.2. On the grid, draw a cumulative frequency graph for your table.
1.3. Use your graph to find an estimate for the median age of the people in the train carriage.
........................................... years
Ai এর মাধ্যমে
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