Find the mean of the following data-Number - of - Plants - 0-2 - 2-4 - 4-6 - 6-8 - 8-10 - 10-12 - 12-14 Whline Number - of - Houses - 1 - 3 - 2 - 4 - 5 - 3 - 2 Whline-endarray

[ Class Mark amp; Number of Houses amp; f_ix_i; 1 amp; 1 amp; 1; 3 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Mathematics

Median for Ungrouped Data

Find the mean...

Question

Find the mean of the following data.

$\begin{matrix} N u m b e r o f P l a n t s & 0 - 2 & 2 - 4 & 4 - 6 & 6 - 8 & 8 - 10 & 10 - 12 & 12 - 14 N u m b e r o f H o u s e s & 1 & 3 & 2 & 4 & 5 & 3 & 2 \end{matrix}$

Open in App

Solution

$\begin{matrix} Class Mark & Number~of~Houses & f_{i} x_{i} 1 & 1 & 1 3 & 3 & 9 5 & 2 & 10 7 & 4 & 28 9 & 5 & 45 11 & 3 & 33 13 & 2 & 26 \end{matrix}$
$\sum f_{i} = 20$
$\sum f_{i} x_{i} = 152$
Mean $= \frac{152}{20} = 7.6$

Suggest Corrections

Similar questions

Q. Find the median of the following data.

\begin{matrix} N o . o f P l a n t s & N o . o f h o u s e 0 - 2 & 1 2 - 4 & 3 4 - 6 & 2 6 - 8 & 4 8 - 10 & 5 10 - 12 & 3 12 - 14 & 2 \end{matrix}

Find the mode of the following data.

$\begin{matrix} N u m b e r o f P l a n t s & 0 - 2 & 2 - 4 & 4 - 6 & 6 - 8 & 8 - 10 & 10 - 12 & 12 - 14 N u m b e r & 1 & 3 & 2 & 4 & 5 & 3 & 2 \end{matrix}$

Q. A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in

20

houses in a locality.Find the mean number of plants per house.

Number of plants	$0 - 2$	$2 - 4$	$4 - 6$	$6 - 8$	$8 - 10$	$10 - 12$	$12 - 14$
Number of houses	$1$	$2$	$1$	$5$	$6$	$2$	$3$

Which method did you use for finding the mean, and why?

In this case how many time intervals can Sid calculate?

$\begin{matrix} Bus & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 & 13 & 14 & 15 Time(hr:min) & 8 : 15 & 8 : 18 & 8 : 23 & 8 : 29 & 8 : 32 & 8 : 40 & 8 : 45 & 8 : 52 & 8 : 54 & 9 : 00 & 9 : 07 & 9 : 13 & 9 : 20 & 9 : 25 & 9 : 32 \end{matrix}$

Find median

Class interval 0-2. 2-4 4-6 6-8 8-10 10-12 12-14

Plants. 1. 2. 1. 5. 6. 2. 3

Join BYJU'S Learning Program

Find the mean of the following data. Number of Plants0−22−44−66−88−1010−1212−14Number of Houses1324532

Class MarkNumber~of~Housesfixi1113395210742895451133313226 ∑fi=20 ∑fixi=152 Mean =15220=7.6

Find the mean of the following data.

$\begin{matrix} N u m b e r o f P l a n t s & 0 - 2 & 2 - 4 & 4 - 6 & 6 - 8 & 8 - 10 & 10 - 12 & 12 - 14 N u m b e r o f H o u s e s & 1 & 3 & 2 & 4 & 5 & 3 & 2 \end{matrix}$

$\begin{matrix} Class Mark & Number~of~Houses & f_{i} x_{i} 1 & 1 & 1 3 & 3 & 9 5 & 2 & 10 7 & 4 & 28 9 & 5 & 45 11 & 3 & 33 13 & 2 & 26 \end{matrix}$
$\sum f_{i} = 20$
$\sum f_{i} x_{i} = 152$
Mean $= \frac{152}{20} = 7.6$