Weight in Kg's $30$ $32$ $33$ $35$ $37$
No. of students $5$ $9$ $15$ $6$ $3$
The mean for the above observation is

38

No worries! We‘ve got your back. Try BYJU‘S free classes today!

33

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

36

No worries! We‘ve got your back. Try BYJU‘S free classes today!

35

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $33$
$x$ $f$ $x f$
$30$ $5$ $150$
$32$ $9$ $288$
$33$ $15$ $495$
$35$ $6$ $210$
$37$ $3$ $111$
$\sum f = 38$ $\sum x f = 1254$
$\Rightarrow$ Mean $(¯ ¯ ¯ x = \frac{\sum x f}{\sum f} = \frac{1254}{38} = 33$

Suggest Corrections

Similar questions

Q. There are following the weights of

30

students of class

10

of a secondary school:

34, 34, 36, 37, 38, 33, 34, 35, 36, 37, 38, 33, 34, 35, 34, 33

35, 34, 38, 36, 35, 34, 35, 37, 38, 34, 35, 35, 37

Represent the above data in the form of a frequency distribution table.

Question 95(i)

The weights (in kg) of 30 students of a class are as follows :
39, 38, 36, 38, 40, 42, 43, 44, 33, 33, 31, 45, 46, 38, 37,
31, 30, 39, 41, 41, 46, 36, 35, 34, 39, 43, 32, 37, 29, 26
Prepare a frequency distribution table using one class interval as (30-35), 35 not included.
(i) Which class has the least frequency ?

Q. Find the prime numbers from the following.

30, 31, 32, 33, 34, 35, 36, 37, 38, 39.

$32^{o}$	$34^{o}$	$36^{o}$	$37^{o}$	$38^{o}$
$34^{o}$	$31^{o}$	$34^{o}$	$37^{o}$	$37^{o}$
$37^{o}$	$35^{o}$	$32^{o}$	$34^{o}$	$38^{o}$
$39^{o}$	$31^{o}$	$36^{o}$	$36^{o}$	$39^{o}$
$34^{o}$	$33^{o}$	$35^{o}$	$34^{o}$	$33^{o}$
$37^{o}$	$33^{o}$	$32^{o}$	$34^{o}$	$38^{o}$

find the Mean Median Mode of the given table by

D E V I A T I O N

METHOD with Each step for Mean Median Mode.

Q. Study the following table and answer the questions that follow.

\begin{matrix} S u b j e c t s A n i l & I & I I & I I I & I V & V M a t h s & 42 & 32 & 47 & 22 & 37 D I & 32 & 42 & 27 & 32 & 22 V A & 37 & 27 & 17 & 32 & 42 R e a s o n i n g & 47 & 49 & 34 & 41 & 39 E n g l i s h & 26 & 30 & 38 & 41 & 45 B a r u n M a t h s & 32 & 22 & 37 & 47 & 42 D I & 27 & 47 & 32 & 39 & 30 V A & 35 & 29 & 42 & 36 & 28 R e a s o n i n g & 44 & 45 & 42 & 45 & 47 E n g l i s h & 32 & 30 & 39 & 36 & 33 C h a m a n M a t h s & 33 & 34 & 37 & 44 & 39 D I & 44 & 42 & 35 & 42 & 38 V A & 36 & 43 & 42 & 40 & 39 R e a s o n i n g & 26 & 37 & 46 & 34 & 35 E n g l i s h & 27 & 29 & 35 & 35 & 43 D h a n n u M a t h s & 29 & 36 & 37 & 42 & 43 D I & 33 & 39 & 37 & 29 & 31 V A & 44 & 45 & 39 & 49 & 45 R e a s o n i n g & 31 & 36 & 48 & 43 & 43 E n g l i s h & 35 & 38 & 36 & 41 & 45 E l l a M a t h s & 35 & 34 & 43 & 45 & 46 D I & 47 & 33 & 44 & 39 & 47 V A & 47 & 44 & 39 & 43 & 42 R e a s o n i n g & 39 & 37 & 36 & 42 & 43 E n g l i s h & 32 & 33 & 38 & 41 & 44 \end{matrix}

What was the total of the marks of Anil in V A in all the concise tests?

Join BYJU'S Learning Program

Weight in Kg's	$30$	$32$	$33$	$35$	$37$
No. of students	$5$	$9$	$15$	$6$	$3$

$x$	$f$	$x f$
$30$	$5$	$150$
$32$	$9$	$288$
$33$	$15$	$495$
$35$	$6$	$210$
$37$	$3$	$111$
	$\sum f = 38$	$\sum x f = 1254$

Weight in Kg's3032333537No. of students591563The mean for the above observation is

The correct option is D 33 xf xf 305 150 329 288 3315 495 356 210 373 111 ∑f=38 ∑xf=1254 ⇒ Mean (¯¯¯x=∑xf∑f=125438=33

Weight in Kg's $30$ $32$ $33$ $35$ $37$
No. of students $5$ $9$ $15$ $6$ $3$
The mean for the above observation is

The correct option is D $33$
$x$ $f$ $x f$
$30$ $5$ $150$
$32$ $9$ $288$
$33$ $15$ $495$
$35$ $6$ $210$
$37$ $3$ $111$
$\sum f = 38$ $\sum x f = 1254$
$\Rightarrow$ Mean $(¯ ¯ ¯ x = \frac{\sum x f}{\sum f} = \frac{1254}{38} = 33$