The percentage difference between correlation and first value of elongation can be calculated as,
![\begin{gathered} P_1=(0.9878-0.056)/(0.9878)*100 \\ =(0.9318)/(0.9878)*100 \\ \approx94.3 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/8awpz7uicb8na7tk1q0fxxlm0mdtgmks3p.png)
Thus, the percentage difference between correlation and first value of elongation is 94.3%.
The percentage difference between correlation and second value of elongation can be calculated as,
![\begin{gathered} P_2=(0.9878-0.078)/(0.9878)*100 \\ =(0.9098)/(0.9878)*100 \\ \approx92.1 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/yk9sacme9lnby9a3zjheadj03zpjq0kyr9.png)
Thus, the percentage difference between correlation and second value of elongation is 92.1%.
The percentage difference between correlation and third value of elongation can be calculated as,
![\begin{gathered} P_3=(0.9878-0.164)/(0.9878)*100 \\ =(0.8238)/(0.9878)*100 \\ \approx83.4 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/gmrcs3nmp6tu4qwegca9zxn00ly6gyw89k.png)
Thus, the percentage difference between correlation and third value of elongation is 83.4%.
The percentage difference between correlation and fourth value of elongation can be calculated as,
![\begin{gathered} P_4=(0.9878-0.196)/(0.9878)*100 \\ =(0.7918)/(0.9878)*100 \\ \approx80.2 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/nwq4i8rtdquasfg7icxw2qe9j9cgt6p2zc.png)
Thus, the percentage difference between correlation and fourth value of elongation is 80.2%.
The percentage difference between correlation and fifth value of elongation can be calculated as,
![\begin{gathered} P_5=(0.9878-0.237)/(0.9878)*100 \\ =(0.7508)/(0.9878)*100 \\ \approx76 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/sm6jgmqlz503sthp8mi5i1unxwvwszbus1.png)
Thus, the percentage difference between correlation and fifth value of elongation is 76%.
The percentage difference between correlation and sixth value of elongation can be calculated as,
![\begin{gathered} P_6=(0.9878-0.286)/(0.9878)*100 \\ =(0.7018)/(0.9878)*100 \\ \approx71 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/9cjrzisbrxgpc65uor8eazql4e6urgyvu4.png)
Thus, the percentage difference between correlation and sixth value of elongation is 71%.
The percentage difference between correlation and seventh value of elongation can be calculated as,
![\begin{gathered} P_7=(0.9878-0.319)/(0.9878)*100 \\ =(0.6688)/(0.9878)*100 \\ \approx67.7 \end{gathered}](https://img.qammunity.org/2023/formulas/physics/college/ykezmqmu8upgdkfncyd5bhhp3m27z39tza.png)
Thus, the percentage difference between correlation and seventh value of elongation is 67.7%.