Question
Construct a frequency table with class-intervals $0-5$ ($5$ not included) of the following marks obtained by a group of $30$ students in an examination. $0, 5, 7, 10, 12, 15, 20, 22, 25, 27, 8, 11, 17, 3, 6, 9, 17, 19, 21, 29, 31, 35, 37, 40, 42,45, 49, 4, 50, 16$.

Answer

The frequency table with class intervals $0-5, 5-10, 10-15,$ ____, $50-55$ is given below:

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$Rs\ 3500$ is to be shared among three people so that the first person gets $50\%$ of the second, who in turn gets $50\%$ of the third. How much will each of them get?
Michael borrowed $Rs. 16000$ from a finance company at $10\%$ per annum, compounded half-yearly. What amount of money will discharge his debt after $1\frac{1}{2}$ years$?$
$\text{ABCD}$ is a rhombus and its diagonals intersect at $O$.
$i.$ Is $\triangle\text{BOC}\cong\triangle\text{DOC}$? State the congruence condition used?
$ii.$ Also state, if $\angle\text{BCO}=\angle\text{DCO}$
Solve the following equation and verify your answer: $\frac{3\text{x}+5}{2\text{x}+7}=4$
Express the number appearing in the following statements in standard form.
(i) 1 micron is equal to $\frac{1}{1000000} m$.
(ii) Charge of an electron is 0.00000000000000000016 coulomb.
(iii) Size of a bacteria is 0.0000005 m .
(iv) Size of a plant cell is 0.00001275 m .
(v) Thickness of a thick paper is 0.07 mm .
Draw a rhombus, having each side of length $3.5\ cm$ and one of the angles as $40^\circ$.
The sum of the digits of a two-digit number is $12.$ If the new number formed by reversing the digits is greater than the original number by $54,$ find the original number. Check your solution.
A bag contains $3$ red balls, $5$ black balls and $4$ white balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is:
$i.$ white?
$ii.$ red?
$iii.$ black?
$iv.$ not red?
Find product: Express product as a monomials and verify the result in each case for $x = 1: (3x) × (4x) × (-5x)$
6400 workers were employed to construct a river bridge in four years. At the end of the first year, $25\%$ workers were retrenched. At the end of the second year, $25\%$ of those working at that time were retrenched. However, to complete the project in time, the number of workers was increased by $25\%$ at the end of the third year. How many workers were working during the fourth year?