The mean of a frequency distribution is...

The mean of a frequency distribution is 8.1, if fixi = 132 + 5K and fi = 20 then what is the value of K?

Topper's Solved these Questions

QUESTION PAPER 2017
UNITED BOOK HOUSE|Exercise Exercise |55 Videos
QUESTION PAPER 2020
UNITED BOOK HOUSE|Exercise Exercise |51 Videos

Similar Questions

Explore conceptually related problems

If the mean of a frequency distribution is 8.1 sumf_ix_i= 133+5k and sumf_i = 30 , find the value of k.

In a frequency distribution, mean is 8.1, sum f_ix_i = 132+5k and sumf_i = 20 . Find the value of k.

If the mean of a frequency distribution is 8.1 and sumf_ix_i =132 + 5 K, sumf_i = 20 then K =

The arithmitic mean of a frequency distraction is 8. If Sigma f_i x_i = 130 +5k and Sigma f_i = 20 , then find the value of k.

Mean of a freqency distribution is 54, sumf_ix_i = 2200+5k and sumf_i = 40+k . Find the value of k.

The mean of the frequency distribution of a variable is 25 and its median is 23. Find the value od ita mode.

Write True or False If the mean of frequency distribution is 10 sumf_iu_i= 200 then total frequeny is 20.

In a frequency distribution table, mean = 54, sunf_ix_i = 2200+50k and sunf_i= 40+k , find the value of k.

Fill in the blanks If the mean of frequency distribution is 20, sumf_ix_i = 200 , then total frequency is______.

If the mean of the following frequency distribution is 7.2 find value of 'K'.

UNITED BOOK HOUSE-QUESTION PAPER 2018-Exercise

The volumes of two right circular cylinders are same. The ratio of the...
Text Solution
|
The volumes of a solid hemisphere is 144Pi cu. Cm, then find the diame...
Text Solution
|
The mean of a frequency distribution is 8.1, if fixi = 132 + 5K and f...
Text Solution
|
Aminur has taken a loan of ₨. 64,000 from a bank. If the rate of inter...
Text Solution
|
A, B and C start a business with the capical of ₨. 6,000, ₨. 8,000 and...
Text Solution
|
Answer any One question : Solve : ((x+4)/(x-4))^2 - 5((x+4)/(x-4)) + ...
Text Solution
|
The digit in the unit's place of a two figited number is 6 more than t...
Text Solution
|
Answer any One question : Find the simplest value of : sqrt7(sqrt5 - ...
Text Solution
|
If x prop y and y prop z, then prove that : (x^2+y^2+z^2) prop (xy+yz+...
Text Solution
|
Answer any One question : If a+b-c/a+b = b+c-a/b+c = c+a-b/c+a and a+...
Text Solution
|
If x : a = y : b = z : c,then show that : (a^2+b^2+c^2)(x^2+y^2+z^2) =...
Text Solution
|
Answer any One queation : Prove that, if a perpendicular is draw on t...
Text Solution
|
Prove that the tangent and the radius through the point of contact of ...
Text Solution
|
Answer any One question : In triangleABC, AD is perpendicular on BC a...
Text Solution
|
A straight line intersects one of the two concentric circles at the po...
Text Solution
|
Answer any One queation : Construct two circles of radii 4 cm and 2 c...
Text Solution
|
Construct a triangle whose two sides are 9 cm and 7 cm and the angle b...
Text Solution
|
Answer any Two questions : An are of length 220 cm of a circle makes ...
Text Solution
|
If cos^2 theta - sin^2 theta =1/2, then find value of tan^2 theta.
Text Solution
|
Find the value of : (sec17^@)/(cosec73^@)+(tan68^@)/(cot22^@)+cos^244^...
Text Solution
|