The arithmetic mean and standard deviati...

The arithmetic mean and standard deviation of 7 observations are respectively 8 and 4.If five of the observations are 2,4,10,12 and 14 then find the values of the remaining two

Topper's Solved these Questions

ANNUAL EXAMINATION QUESTION PAPERS 2017
UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos
Bethune Collegiate School, Question Paper
UNITED BOOK HOUSE|Exercise Exercise |21 Videos

Similar Questions

Explore conceptually related problems

The arithmetic mean and standard deviation of 7 observations are respectively 8 and 16. If five of the observations are 2, 4, 10, 12 and 14 then find the values of the remaining two.

The mean and variance of 7 observations are 8 and 16, respectively. If five of the observations are 2, 4, 10, 12, 14 . Find the remaining two observations.

The mean and variance of 8 observations are 9 and 9.25 respectively. If six of the observation are 6,7,10,12,12 and 13, find the remaining two observations.

The mean and variance of eight observations are 9 and 9.25, respectively. If six of the observations are 6, 7, 10, 12, 12 and 13 , find the remaining two observations.

AM and SD of 7- observations are 8 and 4. If 5.of the 7 observations are 2, 6, 8, 12, 14, find the other 2

The mean and standard deviation of two numbers are 10 and 2 respectively. Find the numbers.

The mean and variance of seven observations are 8 and 16 respectively. If five of these be 2,4,10,12, 14, find the remaining two observations.

The mean and standard deviation of observations are 8 and 14 respectively. If each observation be multiplied by 3, the find the new and mean and new standard deviation of the resulting observation.

The mean and standard deviation of six observations are 8 and 4, respectively. If each observation is multiplied by 3, find the new mean and new standard deviation of the resulting observations

The mean of 5 observations is 4.4 and the variance is 8.24. If three of the five observations are 1,2 and 6, find the other two.

UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2018-EXERCISE

A variable straight line passes through the point of intersection of t...
Text Solution
|
The abscissae of two points A and B are the roots of the equation x^2+...
Text Solution
|
If 2f(x)+f(-x)=1+x,find f'(10),where f'(x) denote derivative of f(x).
Text Solution
|
Evaluate lim(xrarrpi//4)(4sqrt2-(cosx+sinx)^5)/(1-sin2x)
Text Solution
|
Write the negation of each of the following statements:p:for every rea...
Text Solution
|
Write the negation of each of the following statements:q:For every rea...
Text Solution
|
"Mathematics is fun"check whether this sentence is a statement .
Text Solution
|
p: If x is a real number such that x^3+4x=0,then x=0,prove that p is t...
Text Solution
|
p: If x is a real number such that x^3+4x=0,then x=0,prove that p is t...
Text Solution
|
A bag contains 5 white and 4 black balls.If 3 balls are drawn at rando...
Text Solution
|
The arithmetic mean and standard deviation of 7 observations are respe...
Text Solution
|
Prove that if x=a(costheta+sin thetasin2theta)and y=a(sintheta+costhet...
Text Solution
|
Show that 3{sin^4((3pi)/2-alpha)+sin^4(3pi+alpha)}-2{sin^6(pi/2+alpha)...
Text Solution
|
Draw the graph of the solution set of the inequations 2x+yge2,x-yle1,x...
Text Solution
|
Find the number of permutations and the number of combinations in the ...
Text Solution
|
Find the sum of the integers between 90 and 890 which are perfect squa...
Text Solution
|
If z1and z2be two non-zero complex numbers such that |z1+z2|=|z1|+|z2|...
Text Solution
|
The directrix of a parabola is x+y+4=0and vertex is at (-1,-1).Find th...
Text Solution
|
Prove tha the major axis of an ellipse is greater than its minor axis.
Text Solution
|
Find the eccentricity of a hyperbola whose conjugate axis and latus re...
Text Solution
|