If the mean deviation of the numbers : 1...

If the mean deviation of the numbers : 1, 1 + d, 1 + 2d, ….., 1 + 100d from their mean is 255, then d is equal to :

10.1

20.2

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

SETS,RELATIONS AND FUNCTIONS
HIMALAYA PUBLICATION|Exercise QUESTION BANK|285 Videos
THREE DIMENSIONAL GEOMETRY
HIMALAYA PUBLICATION|Exercise QUESTION BANK|194 Videos

Similar Questions

Explore conceptually related problems

If the mean deviation about the median of the numbers : a, 2a, ………. , 50a is 50, then |a| equals :

Mean deviation for n observations x_(1), x_(2),….., x_(n) from their mean bar(x) is given by :

The area of the quadrilateral ABCD, where A (0, 4, 1), B (2, 3, - 1), C(4, 5, 6) and D (2, 6, 2) is equal to :

The mean and S.D. of 1, 2, 3, 4, 5, 6 is :

The number of functions that can be formed from the set A={a, b, c, d} into the set B={1,2,3} is equal to

There are two sets A and B each of which consists of three numbers in AP whose sum is 15 and where D and d are the common differences such that D=1+d,dgt0. If p=7(q-p) , where p and q are the product of the numbers respectively in the two series. The value of 7D+8d is

HIMALAYA PUBLICATION-STATISTICS MEASURE OF DIPERSION-QUESTION BANK

Let x(1), x(2),….., x(n) be n observations and x be their arithmetic m...
Text Solution
|
The mean of 100 observations is 50 and their standard deviation is 5. ...
Text Solution
|
Let a, b, c, d, e be the observations with mean m and standard deviati...
Text Solution
|
Let x(1), x(2), ….., x(n) be n observations. Let w(i) = lx(i) + k for ...
Text Solution
|
Let x(1), x(2), x(3), x(4), x(5) be the observations with mean m and s...
Text Solution
|
Standard deviations for first 10 natural numbers is :
Text Solution
|
Consider the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. If 1 is added to e...
Text Solution
|
The following information relates to a sample of size 60 : sum x^(2) =...
Text Solution
|
Coefficients of variation of two distributions are 50 and 60, and thei...
Text Solution
|
The standard deviation of some temperature data in overset C is 5. If...
Text Solution
|
In an experiment with 15 observations on x, the following results were...
Text Solution
|
In a series of 2n observations, half of them equal to a and remaining ...
Text Solution
|
Suppose a population A has 100 observations 101, 102, …., 200 and anot...
Text Solution
|
If the mean deviation of the numbers : 1, 1 + d, 1 + 2d, ….., 1 + 100d...
Text Solution
|
For two data sets, each of size 5, the variances are given to be 4 and...
Text Solution
|
The sum of the squares of deviations for 10 observations taken from th...
Text Solution
|
The measure of dispersion is
Text Solution
|
The S.D. of 5 scores 1, 2, 3, 4, 5 is :
Text Solution
|
The variance of the first n natural numbers is :
Text Solution
|
A batsman scores runs in 10 innings as 38, 70, 48, 34, 42, 55, 63, 46,...
Text Solution
|