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Harsh
Feb 9, 2014
Find the missing frequencies in the following frequency distribution
Sunil dhikle
Mar 5, 2014
What is class size? explain by giving an example.
Difference between the true upper limit and true lower limit of a class interval is called the class size. Class size remains the same for ...
Adithyan Sanal
Mar 21, 2015
One card is drawn from a well shuffled pack of 52 cards. Calculate the probability of getting
(i) A king or a queen
(ii) Neither a heart nor a red king
(i) A king or a queen
(ii) Neither a heart nor a red king
Uma
Mar 4, 2014
1) Find the class mark of the class 130-150
Faizaan
May 17, 2014
The class marks distributions are 37,42,47,52,57. Determine the class size and the class limits of the last class mark.
Lower class mark = 37
Upper class mark = 57
Range = 57 - 37 = 20
Let the number of classes be 4.
Therefore, size of the class = 20/4 = 5.
Class lim...
Sunil dhikle
Feb 26, 2014
The median of the following observations arranged in ascending order,is 25.Find x.
11,13,15,19,x+2,x+4.30,35,39,46
11,13,15,19,x+2,x+4.30,35,39,46
Therefore the median is the average of (x + 2) and (x + 4)
Median = (x +2 + x + 4)/2 = x + 3
Given median = 25
Abhishek
Mar 10, 2014
The average height of 30 students is 150cm.It was later detected that one observation 165cm was wrongly copied as 135cm.Find the correct mean height.
Hiba
Mar 8, 2014
FIND THE VALUE OF P if mean of the following frequency is 7.5 :
X 3 5 7 9 11 13
y 6 8 15 p 8 4
FIND THE VALUE OF P if mean of the following frequency is 7.5 :
X 3 5 7 9 11 13
y 6 8 15 p 8 4
Faizaan
May 17, 2014
Find the volume and the total surface area of a hemisphere of radius 3.5 cm
Nileshkhandelwal
Feb 14, 2012
The mean height of 8 students is 152 c.m. two more or students of heights 143c.m. and 156cm join the group. what is the new mean height?
Harsh
Feb 9, 2014
Find the missing frequencies in the following frequency distribution
Sunil dhikle
Mar 5, 2014
What is class size? explain by giving an example.
Difference between the true upper limit and true lower limit of a class interval is called the class size. Class size remains the same for ...
Adithyan Sanal
Mar 21, 2015
One card is drawn from a well shuffled pack of 52 cards. Calculate the probability of getting
(i) A king or a queen
(ii) Neither a heart nor a red king
(i) A king or a queen
(ii) Neither a heart nor a red king
Uma
Mar 4, 2014
1) Find the class mark of the class 130-150
Faizaan
May 17, 2014
The class marks distributions are 37,42,47,52,57. Determine the class size and the class limits of the last class mark.
Lower class mark = 37
Upper class mark = 57
Range = 57 - 37 = 20
Let the number of classes be 4.
Therefore, size of the class = 20/4 = 5.
Class lim...
Sunil dhikle
Feb 26, 2014
The median of the following observations arranged in ascending order,is 25.Find x.
11,13,15,19,x+2,x+4.30,35,39,46
11,13,15,19,x+2,x+4.30,35,39,46
Therefore the median is the average of (x + 2) and (x + 4)
Median = (x +2 + x + 4)/2 = x + 3
Given median = 25
Abhishek
Mar 10, 2014
The average height of 30 students is 150cm.It was later detected that one observation 165cm was wrongly copied as 135cm.Find the correct mean height.
Hiba
Mar 8, 2014
FIND THE VALUE OF P if mean of the following frequency is 7.5 :
X 3 5 7 9 11 13
y 6 8 15 p 8 4
FIND THE VALUE OF P if mean of the following frequency is 7.5 :
X 3 5 7 9 11 13
y 6 8 15 p 8 4
Faizaan
May 17, 2014
Find the volume and the total surface area of a hemisphere of radius 3.5 cm
Nileshkhandelwal
Feb 14, 2012