Question 1 :
The difference between the greatest and the least value of the observations is known as 
Question 4 : <div><span>Find the mean of:</span><br/></div>$3, 5, 3, 4, 2, 0, 7$ and $10$<br/>
Question 5 :
If the median of $\displaystyle \frac{x}{5}$ $\displaystyle x$ $\displaystyle \frac{x}{4}$ $\displaystyle \frac{x}{2}$ and $\displaystyle \frac{x}{3}$ $\displaystyle \left ( where\, x> 0 \right )$ is $8$ then the value of $x$ would be
Question 6 :
The average of eight numbers is $38.4$ and the average of seven of them is $39.2$. What is the eighth number?
Question 8 :
What is the arithmetic mean of the progression $11, 22, 33, 44, 55, 66, 77?$<br/>
Question 9 :
The average of $5, 0, 6,$ <br> $\displaystyle \frac{1}{4}$ and $\displaystyle 8\frac{3}{4}$ is
Question 11 :
Find the arithmetic mean of the progression $2, 4, 6, 8, 10.$<br/>
Question 12 :
Marks obtain by five students in math are $20, 25, 15, 35 $ and $ 30 $ its range will be :
Question 13 : Find out the coefficient of range for the following prices of shirts in a shop.<br><table class="wysiwyg-table"><tbody><tr><td>Rupees</td></tr><tr><td>150</td></tr><tr><td>250</td></tr><tr><td>100</td></tr><tr><td>500</td></tr><tr><td>175</td></tr><tr><td>450</td></tr><tr><td>300</td></tr><tr><td>280</td></tr></tbody></table>
Question 14 :
_______ is that value of the variant which repeats maximum number of times in a distribution and around which other observations are densely distributed.
Question 15 : <span>Find the mode of:</span><div>$7, 7, 8, 10, 10, 11, 10, 13, 14$<br/></div>
