Find the mean of the following observations: 20, 30, 40 and 50

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

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

Open in App

Solution

Suggest Corrections

Similar questions

Find the mode of the following frequency distribution:
$\begin{matrix} Marks & 10 - 20 & 20 - 30 & 30 - 40 & 40 - 50 & 50 - 60 Frequency & 12 & 35 & 45 & 25 & 13 \end{matrix}$

Q. Find the mode of the following distribution.

(i)

Class-interval:	0−10	10−20	20−30	30−40	40−50	50−60	60−70	70−80
Frequency:	5	8	7	12	28	20	10	10

(ii)

Class-interval:	10−15	15−20	20−25	25−30	30−35	35−40
Frequency:	30	45	75	35	25	15

(iii)

Class-interval:	25−30	30−35	35−40	40−45	45−50	50−55
Frequency:	25	34	50	42	38	14

Q. Find the mean of the following observations: 20, 30, 40 and 50

Find the mean of the following data

$5, 10, 15, 20, 25, 30, 35, 40, 45, 50$

Q. Draw histogram and frequency polygon on the same graph paper for the following frequency distribution.

Class	Frequency
$15 - 20$	$20$
$20 - 25$	$30$
$25 - 30$	$50$
$30 - 35$	$40$
$35 - 40$	$25$
$40 - 45$	$10$

Join BYJU'S Learning Program