Data on the amount of the customers' shopping by using an account card and whether they decided to upgrade their account from silver status to platinum status after receiving the upgrade offer is...

1. Data on the amount of the customers' shopping by using an account card and whether they decided to upgrade their account from silver status to platinum status after receiving the upgrade offer is shown in Table 2.

1. Construct the k nearest neighbors scheme for predicting upgrades based on the data given in Table 2, and interpret the confusion matrix.

1. According to the data given in part 1, estimate the probability of upgrade for each division of the purchase amount, using Bayes' theorem.

Please provide your work in detail and include in-text citations. At least five (5) references are required for PA’s and CLA’s

Extracted text: UpGrade Purchases PlatProfile RowNear 1 RowNear 2 RowNear 3 RowNear 4 1 7.471 7 40 26 29 2 21.142 33 10 25 14 3 1 39.925 1 17 19 37 38 4 1 32.450 1 32 22 39 38 1 48.950 9 11 31 24 28.520 1 35 20 32 7.822 40 26 29 26.548 36 13 25 33 9 48.831 11 31 24 10 17.584 14 29 33 11 1 49.820 5 9 31 15 12 1 50.450 21 18 28 23 13 28.175 36 8 34 25 14 16.200 10 29 2 33 15 1 52.978 1 31 27 11 16 1 58.945 27 15 31 11 17 1 40.075 1 3 37 19 38 18 1 42.380 28 23 12 21 19 1 38.110 1 3 17 38 39 20 1 26.185 35 6. 32 4 21 52.810 12 18 28 23 22 1 34.521 39 38 4 19 23 34.750 30 28 34 13 24 1 46.254 1 9 11 37 25 24.811 33 8 36 13 26 4.792 7 40 29 27 1 55.920 15 16 31 11 28 38.620 18 23 30 34 29 12.742 14 40 10 7 30 31.950 34 23 13 36 31 1 51.211 1 11 15 9 32 1 30.920 1 4 6. 35 22 33 23.527 25 2 36 34 30.225 30 13 36 35 28.387 6 20 32 36 27.480 13 8. 25 34 37 1 41.950 17 19 24 38 1 34.995 39 22 4 19 39 34.964 38 22 4 19 40 7.998 7 26 29 41 42.571 1 42 51.835 2. LO Co