Question 1 :
Find the median where mean and mode are given as $10$ and $7$.<br/>

Question 3 :
For a given data with 40 observations the less than ogive and the more than ogive interest at (20.5,15). The median of the data is:<br/>

Question 4 :
The median and mode of a frequency distribution are 525 and 500 then mean of same frequency distribution is-

Question 5 :
If the value of mode and mean is $60$ and $66$ respectively, then the value of median is<br/>

Question 6 :
The following table shows ages of 300 patients getting medical treatment in a hospital on a particular day.<br>Find the median age of patients<br><table class="wysiwyg-table"><tbody><tr><td>Age (in years)</td><td>10 - 20</td><td>20 - 30</td><td>30 - 40</td><td>40 - 50</td><td>50 - 60</td><td>60 - 70</td></tr><tr><td>No. of Patients</td><td>60</td><td>42</td><td>55</td><td>70</td><td>53</td><td>20</td></tr></tbody></table>

Question 9 :
The median of following series 520, 20, 340,190, 35, 800, 1210, 50, 80, is:

Question 10 :
An incomplete distribution is given below:<br/><table class="wysiwyg-table"><tbody><tr><td>Variable<br/></td><td>Frequency<br/></td></tr><tr><td>$10-20$<br/></td><td>$12$<br/></td></tr><tr><td>$20-30$<br/></td><td>$30$<br/></td></tr><tr><td>$30-40$<br/></td><td>$f_1$<br/></td></tr><tr><td>$40-50$<br/></td><td>$65$<br/></td></tr><tr><td>$50-60$<br/></td><td>$f_2$<br/></td></tr><tr><td>$60-70$<br/></td><td>$25$<br/></td></tr><tr><td>$70-80$<br/></td><td>$18$<br/></td></tr></tbody></table>If median value is $46$ and the total number of items is $230$.<br/>Find the missing frequencies $f_1$ and $f_2$.<br/>