Solve

Guides

0

You visited us 0 times! Enjoying our articles? Unlock Full Access!

Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

Question

If $6$ , $p$ , $12$ , $8$ and $9$ mean of the data is $9$ then $p =$ ?
$7$
$8$
$9$
$10$

A

10

B

9

C

8

D

7

Open in App

Solution

Verified by Toppr

Arithmetic mean, $A = \frac{S}{N} = \frac{6 + p + 12 + 8 + 9}{5} = 9$

$\frac{35 + p}{5} = 9$

$35 + p = 45$

$p = 45 - 35 = 10$

Was this answer helpful?

0

Similar Questions

Q1

If

6

,

p

,

12

,

8

and

9

mean of the data is

9

then

p =

?

View Solution

Q2

Find the line of regression of

y

on

x

for the following data:

$x$	$y$
$10$	$8$
$9$	$12$
$8$	$7$
$7$	$10$
$6$	$9$
$5$	$6$

View Solution

Q3

$x$	$6$	$8$	$10$	$12$	$14$
$f$	$9$	$7$	$15$	$13$	$6$

Find the arithmetic mean of the following data:

View Solution

Q4

The mode of the unimodular data

7, 8, 9, 8, 9, 10, 9, 10, 11, 10, 12

and

x

is

10

. The value of

x

is

View Solution

Q5

If the mean of the data : 7 , 8 , 9 , 7 , 8 , 7 ,

λ

, 8 is 8 , then the variance of this data is

View Solution