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1. Transportation Problem
1.
Heuristic method-1
on 07.01.19
2.
Heuristic method-2
on 07.01.19
3.
Row minima method
on 24.12.18
4.
Column minima method
on 24.12.18
5.
Russell's approximation method
on 24.12.18
6.
class and their frequency table
on 31.12.18
7.
less than or more than type cumulative frequency table
on 31.12.18
8.
Ratio and Proportion
on 02.12.18
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Statistical Methods calculators
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Regression line equations for bivariate grouped data calculator
Method and examples
Regression Lines for bivariate grouped data
Type your data, for seperator you can use space or tab
for sample click random button
1st row contains Class-X, 2nd row contains Class-Y and others contains data
OR
Class-X & Class-Y
Class-X & Y
Rows :
Columns :
Click On Generate
Table method option -
Auto Select method
Method-1 : `r = (n * sum xy - sum x * sum y)/(sqrt(n * sum x^2 - (sum x)^2) * sqrt(n * sum y^2 - (sum y)^2))`
Method-2 : `r = (sum (x-bar x)(y-bar y))/(sqrt(sum (x-bar x)^2) * sqrt(sum (y-bar y)^2))`
Class-Y
Class-X
90 - 100
100 - 110
110 - 120
120 - 130
50 - 55
4
7
5
2
55 - 60
6
10
7
4
60 - 65
6
12
10
7
65 - 70
3
8
6
3
Class-Y
Class-X
10 - 20
20 - 30
30 - 40
40 - 50
50 - 60
15 - 25
6
3
0
0
0
25 - 35
3
16
10
0
0
35 - 45
0
10
15
7
0
45 - 55
0
0
7
10
4
55 - 65
0
0
0
4
5
Y
Class-X
18
19
20
21
350 - 400
1
4
6
10
300 - 350
2
6
8
5
250 - 300
3
5
4
2
200 - 250
4
4
2
1
Class-Y
Class-X
40 - 49
50 - 59
60 - 69
70 - 79
80 - 89
90 - 99
40 - 49
3
5
4
0
0
0
50 - 59
2
6
6
2
0
0
60 - 69
1
4
10
5
2
0
70 - 79
0
0
5
10
8
1
80 - 89
0
0
1
4
6
5
90 - 99
0
0
0
2
4
4
Estimate x when y =
Estimate y when x =
Solution
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