Tag: spearman's coefficient of correlation
Questions Related to spearman's coefficient of correlation
Correlation rank coefficient for the tied rank is
Rank correlation depends on________________.
The value of Spearman's rank coefficient lies between
If x, y are independent variable, then
If $n=10, \sum x=4,\sum y=3, \sum x^2=8,\sum y^2=9$ and $\sum xy=3,$ then the coefficient of $r _{x,y}$ is
FInd the rank correlation from the following data:
S. No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
---|---|---|---|---|---|---|---|---|---|---|
Rank Differences | -2 | -4 | -1 | 3 | 2 | 0 | -2 | 3 | 3 | -2 |
The marks obtained by nine students in physics and Mathematics are given below:
Physics | 48 | 60 | 72 | 62 | 56 | 40 | 39 | 52 | 30 |
---|---|---|---|---|---|---|---|---|---|
Mathematics | 62 | 78 | 65 | 70 | 38 | 54 | 60 | 32 | 31 |
calculate spearman's coefficient.
Find the spearman's rank coefficient of correlation from the following data:
X | 48 | 33 | 40 | 9 | 16 | 16 | 65 | 25 | 16 | 57 |
---|---|---|---|---|---|---|---|---|---|---|
Y | 13 | 13 | 24 | 6 | 15 | 4 | 20 | 9 | 6 | 19 |
The final position of twelve clubs in a football league and the average attendance at their home matches were as follows. Calculate a coefficient of correlation by ranks.
Club | A | B | C | D | E | F | G | H | I | J | K | L |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
Attendance (thousands) | 27 | 30 | 18 | 25 | 32 | 12 | 19 | 11 | 32 | 12 | 12 | 15 |
Find the rank correlation coefficient between the heights of fathers and sons from the following data:
Heights of fathers in inches | 65 | 66 | 67 | 67 | 68 | 69 | 70 | 72 |
---|---|---|---|---|---|---|---|---|
Height of sons in inches | 67 | 68 | 65 | 68 | 72 | 72 | 69 | 71 |