Fixed acidity - Volatile acidity - Citric acid - Residual sugar -Chlorides        7.4                         0.7                       0                      1.9                    0.076       7.8                         0.88                     0                      2.6                    0.098       7.8                         0.76                   0.04                   2.3                    0.092       11.2                       0.28                   0.56                   1.9                    0.075       7.4                         0.7                       0                      1.9                    0.076       7.4                         0.66                      0                     1.8                    0.075       7.9                         0.6                     0.06                   1.6                    0.069       7.3                         0.65                      0                     1.2                    0.065       7.8                         0.58                   0.02                   2                       0.073       7.5                         0.5                     0.36                   6.1                    0.071       6.7                         0.58                   0.08                  1.8                     0.097       7.5                         0.5                     0.36                   6.1                    0.071       5.6                         0.615                    0                     1.6                    0.089       7.8                         0.61                   0.29                   1.6                    0.114       8.9                         0.62                   0.18                   3.8                    0.176       8.9                         0.62                   0.19                   3.9                    0.17       8.5                         0.28                   0.56                   1.8                    0.092       8.1                         0.56                   0.28                   1.7                    0.368       7.4                         0.59                   0.08                   4.4                    0.086       7.9                         0.32                    0.51                  1.8                    0.341       8.9                         0.22                    0.48                  1.8                    0.077       7.6                         0.39                    0.31                  2.3                    0.082       7.9                         0.43                    0.21                  1.6                    0.106       8.5                          0.49                   0.11                  2.3                    0.084       6.9                           0.4                     0.14                   2.4                 0.085       6.3                           0.39                   0.16                   1.4                   0.08 1. For the data...

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Fixed acidity - Volatile acidity - Citric acid -Residual sugar -Chlorides

      7.4                        0.7                      0                     1.9                   0.076

     7.8                        0.88                    0                     2.6                   0.098

     7.8                        0.76                  0.04                  2.3                   0.092

     11.2                      0.28                  0.56                  1.9                   0.075

     7.4                        0.7                      0                     1.9                   0.076

     7.4                        0.66                     0                    1.8                   0.075

     7.9                        0.6                    0.06                  1.6                   0.069

     7.3                        0.65                     0                    1.2                   0.065

     7.8                        0.58                  0.02                  2                      0.073

     7.5                        0.5                    0.36                  6.1                   0.071

     6.7                        0.58                  0.08                 1.8                    0.097

     7.5                        0.5                    0.36                  6.1                   0.071

     5.6                        0.615                   0                    1.6                   0.089

     7.8                        0.61                  0.29                  1.6                   0.114

     8.9                        0.62                  0.18                  3.8                   0.176

     8.9                        0.62                  0.19                  3.9                   0.17

     8.5                        0.28                  0.56                  1.8                   0.092

     8.1                        0.56                  0.28                  1.7                   0.368

     7.4                        0.59                  0.08                  4.4                   0.086

     7.9                        0.32                   0.51                 1.8                   0.341

      8.9                        0.22                   0.48                 1.8                   0.077

     7.6                        0.39                   0.31                 2.3                   0.082

     7.9                        0.43                   0.21                 1.6                   0.106

     8.5                         0.49                  0.11                 2.3                   0.084

     6.9                          0.4                    0.14                  2.4                0.085

     6.3                          0.39                  0.16                  1.4                  0.08

1. For the data on 26 red wines given above, conduct thefollowing analysis:

i. Provide five-number summary i.e. the minimum, 1st quartile,median, 3rd quartile, and maximum value for fixed acidity. Arrangethem in increasing order on a straight line, draw a box plot andinterpret what it means.

ii. Calculate the correlation coefficient between fixed acidityand volatile acidity and between residual sugar and chlorides.Comment on the strength and direction of association for the twovariable pairs.

iii. What can be stated about the cause-effect relationshipbetween fixed acidity and volatile acidity, based on thecorrelation coefficient score?

Answer & Explanation Solved by verified expert
3.6 Ratings (346 Votes)
Here N 26 even no i Minimum and maximum value for fixed acidity is 56 112 respectively now we calculate median for fixed acidity Formula median M size of N12 th item size of2612 item size of 135th item Average of 13th and 14th items 56 782 67 Median 67 median is the 2nd quartile 1st quartile Q1 size of N14 th item size of 274    See Answer
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