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What is assumed mean &how can we find it
the following are the run score by two batsmen A and B in 10 innings. find who is more consistence?
A: 101. 20. 0. 36. 82. 45. 7. 13. 65. 14
B: 97. 12. 40. 96. 13. 8. 85. 8. 56. 15
how to use log & antilogtable to find square roots
The variance of 15 observations is 4.If each observation is increased by 9,find the variance of the resulting observations?
please give a detailed expalanation
What is the difference between mean deviation and standard deviation?
find dy/dx if y =(sec x+tanx )/(secx-tanx)
Find the mean and variance of the first n even natural numbers
When do we use step-deviation method.Please explain the method.
the mean and standard deviation of 100 observations were calculated as 40 and 5.1 resp. by a student who took by mistake 50 instead of 40 for one observation. what are correct mean and standard deviation?
what is central tendency ????
find the ratio in which the line joining the line joining the points 1,2,3,and -3,4,-5 by xy plane
what is the meaning of discrete frequency distribution ?
the mean of 5 observations is 4.4 and their variance is 8.24.if three of the observations are 1,2,6 .,find the other two observations.....
Find the mean deviation from the mean and standard deviation of the series:
a, a+d, a+2d, ....., (a+nd), .... a+(2n-1)d, a+2nd
its urgent..
Unable to watch the video. Please rectify the error ASAP.
let x1, x2, x3,....... xn be n values of a variable X. If these values are changed to x1+a, x2+a,.... xn +a, where a belongs to R, show that the variance remains unchanged.
The mean and variance of 7 observations are 8 and 16, respectively. If five of the observations are 2, 4, 10, 12 and 14. Find the remaining two observations.
Find the mean deviation about the mean for the data.
xi
5
10
15
20
25
fi
7
4
6
3
can anyone plz explain me dis as early as possible how 2 find d value of x?
how to find assumed mean in statistics
how to calculate assumed mean ?
how come the assumed mean 10 in the 1st video of variance and step deviation?
Define Mean and Median,and also the Difference..
what is the statistics
find the variance for the first 25 natural numbers
how to solve question no 5 of page 376 stat of class 11 explain in a easy way
what is assume mean method ?
what is the difference between continious frequency distribution and discreet frequency distribution
how can we choose assumed mean?
The mean and standard deviation of a group of 100 observations were found to be 20 and 3 respectively.Later on it was found that 3 observations were incorrect which were recorded as 21,21 and 18.Find the mean and Standard deviaton if the incorrect observations were omitted.
Find the mean and standard deviation using short-cut method.
60
61
62
63
64
65
66
67
68
2
1
12
29
An original frequency table with mean 11 and variance 9.9 was lost but the following table derived from it was found. Contruct the original table.
Value of 'd':- -2,-1,0,1,2
Frequency(f):- 1,6,7,4,24
An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results:
Firm A
Firm B
No. of wage earners
586
648
Mean of monthly wages
Rs 5253
Variance of the distribution of wages
100
121
(i) Which firm A or B pays larger amount as monthly wages?
(ii) Which firm, A or B, shows greater variability in individual wages?
The variance of 15 observation is 4. If each observation is increased by 9, find the variance of resulting observation.
If the mean deviation about the median of the numbers a,2a,3a........,50a is 50. Then "modulus of a" equals ?? plz answer fast..
if each of the observations x1,x2,x3,.....,xn is increased by a, where a is a negative or positive number show that the variance remains unchanged.
The age distribution of 100 life-insurance policy holders is as follows
Age (on nearest 17-19.5 20-25.5 26-35.5 36-40.5 41-50.5 51-55.5 56-60.5 61 - 70.5
birth day)
No of persons 5 16 12 26 14 12 6 5
Calcualte the mean deviation from the median age.
how to take out the square root by completing the squares method
yes... how do you calculate assumed mean?
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.
solution of chapter average due date of maths isc 11 sum 10
what do you mean by statistics?
I can`t understand example 2 plz. explain it i have my maths exam on Friday.
hello meritnation experts
question no 11 on the place of no . of boys u should write no. of girls plz rectify this mistake
In the above video on what basis we had taken " A " = 10
Find the mean and variance for the first n natural numbers
differenciate square root of tan x with respect to x from 1st principal method.
E.g: 9876543210, 01112345678
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Syllabus
What is assumed mean &how can we find it
the following are the run score by two batsmen A and B in 10 innings. find who is more consistence?
A: 101. 20. 0. 36. 82. 45. 7. 13. 65. 14
B: 97. 12. 40. 96. 13. 8. 85. 8. 56. 15
how to use log & antilogtable to find square roots
The variance of 15 observations is 4.If each observation is increased by 9,find the variance of the resulting observations?
please give a detailed expalanation
What is the difference between mean deviation and standard deviation?
Statement I: The mean salary would remain the same.
Statement II: The median salary would remain the same.
find dy/dx if y =(sec x+tanx )/(secx-tanx)
Find the mean and variance of the first n even natural numbers
When do we use step-deviation method.Please explain the method.
the mean and standard deviation of 100 observations were calculated as 40 and 5.1 resp. by a student who took by mistake 50 instead of 40 for one observation. what are correct mean and standard deviation?
what is central tendency ????
find the ratio in which the line joining the line joining the points 1,2,3,and -3,4,-5 by xy plane
the median is 9 and the only mode is 7, what is the
least possible range for the 7 numbers?
what is the meaning of discrete frequency distribution ?
the mean of 5 observations is 4.4 and their variance is 8.24.if three of the observations are 1,2,6 .,find the other two observations.....
Find the mean deviation from the mean and standard deviation of the series:
a, a+d, a+2d, ....., (a+nd), .... a+(2n-1)d, a+2nd
its urgent..
Unable to watch the video. Please rectify the error ASAP.
let x1, x2, x3,....... xn be n values of a variable X. If these values are changed to x1+a, x2+a,.... xn +a, where a belongs to R, show that the variance remains unchanged.
The mean and variance of 7 observations are 8 and 16, respectively. If five of the observations are 2, 4, 10, 12 and 14. Find the remaining two observations.
Find the mean deviation about the mean for the data.
xi
5
10
15
20
25
fi
7
4
6
3
5
can anyone plz explain me dis as early as possible how 2 find d value of x?
how to find assumed mean in statistics
how to calculate assumed mean ?
how come the assumed mean 10 in the 1st video of variance and step deviation?
Marks : above 30&below 40 below 50 below 60 below 70 below 80 below 90 below 100
No. of Students :3 10 22 37 45 48 50
Define Mean and Median,and also the Difference..
what is the statistics
find the variance for the first 25 natural numbers
how to solve question no 5 of page 376 stat of class 11 explain in a easy way
what is assume mean method ?
what is the difference between continious frequency distribution and discreet frequency distribution
Classes- 30-40 40-50 50-60 60-70 70-80 80-90 90-100
frequency 3 7 12 15 8 3 2
how can we choose assumed mean?
The mean and standard deviation of a group of 100 observations were found to be 20 and 3 respectively.Later on it was found that 3 observations were incorrect which were recorded as 21,21 and 18.Find the mean and Standard deviaton if the incorrect observations were omitted.
Find the mean and standard deviation using short-cut method.
xi
60
61
62
63
64
65
66
67
68
fi
2
1
12
29
25
12
10
4
5
An original frequency table with mean 11 and variance 9.9 was lost but the following table derived from it was found. Contruct the original table.
Value of 'd':- -2,-1,0,1,2
Frequency(f):- 1,6,7,4,24
An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results:
Firm A
Firm B
No. of wage earners
586
648
Mean of monthly wages
Rs 5253
Rs 5253
Variance of the distribution of wages
100
121
(i) Which firm A or B pays larger amount as monthly wages?
(ii) Which firm, A or B, shows greater variability in individual wages?
The variance of 15 observation is 4. If each observation is increased by 9, find the variance of resulting observation.
If the mean deviation about the median of the numbers a,2a,3a........,50a is 50. Then "modulus of a" equals ?? plz answer fast..
if each of the observations x1,x2,x3,.....,xn is increased by a, where a is a negative or positive number show that the variance remains unchanged.
The age distribution of 100 life-insurance policy holders is as follows
Age (on nearest 17-19.5 20-25.5 26-35.5 36-40.5 41-50.5 51-55.5 56-60.5 61 - 70.5
birth day)
No of persons 5 16 12 26 14 12 6 5
Calcualte the mean deviation from the median age.
how to take out the square root by completing the squares method
Find the mean deviation from the mean and standard deviation of the series:
a, a+d, a+2d, ....., (a+nd), .... a+(2n-1)d, a+2nd
yes... how do you calculate assumed mean?
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.
Q2. Mean of n items is . If these x items are successively increased by 2, 22 , 23 ,..... 2n then the new mean is
(A) + (B) + (C) + (D) None of these
solution of chapter average due date of maths isc 11 sum 10
what do you mean by statistics?
I can`t understand example 2 plz. explain it i have my maths exam on Friday.
hello meritnation experts
question no 11 on the place of no . of boys u should write no. of girls plz rectify this mistake
In the above video on what basis we had taken " A " = 10
Find the mean and variance for the first n natural numbers
differenciate square root of tan x with respect to x from 1st principal method.