Question: Using the data for age given in Exercise 3.14, answer the following: (a) Use min-max normalization to transform the value 35 for age onto the

Using the data for age given in Exercise 3.14, answer the following:

(a) Use min-max normalization to transform the value 35 for age onto the range [0.0, 1.0].

(b) Use z-score normalization to transform the value 35 for age, where the standard deviation of age is 12.70 years.

(c) Use normalization by decimal scaling to transform the value 35 for age.

(d) Comment on which method you would prefer to use for the given data, giving reasons as to why.

Exercise 3.14.

Suppose that we need to record three measures in a data cube: min (), a verage(), and median( ). Design an efficient computation and storage method for each measure given that the cube allows data to be deleted incrementally (i.e., in small portions at a time) from the cube.

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