Given,
year 1 | year 2 | year 3 |
0.46 | 0.48 | 0.69 |
0.52 | 0.62 | 0.63 |
0.9 | 0.72 | 0.81 |
1.5 | 1.74 | 2.1 |
2.89 | 2.03 | 2.46 |
1.8 | 1.92 | 2 |
3.29 | 3.18 | 3.17 |
5.73 | 4.43 | 4 |
r1 : Correlation between year1: x and year2: y
n : Number of observations:8
year 1:x | year 2:y | xy | x2 | y2 | |
0.46 | 0.48 | 0.2208 | 0.2116 | 0.2304 | |
0.52 | 0.62 | 0.3224 | 0.2704 | 0.3844 | |
0.9 | 0.72 | 0.648 | 0.81 | 0.5184 | |
1.5 | 1.74 | 2.61 | 2.25 | 3.0276 | |
2.89 | 2.03 | 5.8667 | 8.3521 | 4.1209 | |
1.8 | 1.92 | 3.456 | 3.24 | 3.6864 | |
3.29 | 3.18 | 10.4622 | 10.8241 | 10.1124 | |
5.73 | 4.43 | 25.3839 | 32.8329 | 19.6249 | |
Total | =17.09 | =15.12 | =48.97 | =58.7911 | =41.7054 |
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r2: Correlation between year2: x and year3: y
year 2:x | year 3:y | xy | x2 | y2 | |
0.48 | 0.69 | 0.3312 | 0.2304 | 0.4761 | |
0.62 | 0.63 | 0.3906 | 0.3844 | 0.3969 | |
0.72 | 0.81 | 0.5832 | 0.5184 | 0.6561 | |
1.74 | 2.1 | 3.654 | 3.0276 | 4.41 | |
2.03 | 2.46 | 4.9938 | 4.1209 | 6.0516 | |
1.92 | 2 | 3.84 | 3.6864 | 4 | |
3.18 | 3.17 | 10.0806 | 10.1124 | 10.0489 | |
4.43 | 4 | 17.72 | 19.6249 | 16 | |
Total | =15.12 | =15.86 | =41.5934 | =41.7054 | =42.0396 |
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r3 : Correlation between year1: x and year3: y
year 1:x | year 3 | xy | x2 | y2 | |
0.46 | 0.69 | 0.3174 | 0.2116 | 0.4761 | |
0.52 | 0.63 | 0.3276 | 0.2704 | 0.3969 | |
0.9 | 0.81 | 0.729 | 0.81 | 0.6561 | |
1.5 | 2.1 | 3.15 | 2.25 | 4.41 | |
2.89 | 2.46 | 7.1094 | 8.3521 | 6.0516 | |
1.8 | 2 | 3.6 | 3.24 | 4 | |
3.29 | 3.17 | 10.4293 | 10.8241 | 10.0489 | |
5.73 | 4 | 22.92 | 32.8329 | 16 | |
Total | =17.09 | =15.86 | =48.5827 | =58.7911 | =42.0396 |
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Using Excel function Correl
By formula | By function | ||
r1 | Year 1 and Year 2 | 0.97463269 | 0.97463269 |
r2 | Year 2 and Year 3 | 0.98498048 | 0.98498048 |
r3 | Year 1 and Year 3 | 0.95673667 | 0.95673667 |
The highest correlation is between Year 2 and Year 3: which 0.98498048
please show me what hand written function to use and exactly how to use it. thanks!...
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