3.9 Suppose a group of 12 sales price records has been sorted as follows: 5, 10, 11, 13, 15, 35, 50, 55,72,92,204, 215.

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3 9 Suppose A Group Of 12 Sales Price Records Has Been Sorted As Follows 5 10 11 13 15 35 50 55 72 92 204 215 1 (17.56 KiB) Viewed 31 times

3.9 Suppose a group of 12 sales price records has been sorted as follows: 5, 10, 11, 13, 15, 35, 50, 55,72,92,204, 215. Partition them into three bins by each of the following methods: (a) equal-frequency (equal-depth) partitioning (b) equal-width partitioning (c) clustering 3.10 Use a flowchart to summarize the following procedures for attribute subset selection: (a) stepwise forward selection (b) stepwise backward elimination (c) a combination of forward selection and backward elimination