Question

just need #5-6

Suppose: grades is a 50x5 array that holds grades for a class of 50 students on 5 labs gender is a 50-element vector holding a gender designation ('male' or 'female') for each member in the class age is a 50-element column vector holding the ages of the class members level is a 50-element column vector holding the number of year (1-freshman) Define variables for the following: 1. The number of men in the class. 2. An array holding the grades of the men. 3. The number of the women in class over 30. 4. An array containing the grades of the women in the class over 30. 5. The number of senior women over 30 6. The number of the women in class between the ages of 25 and 30 inclusive.

Answer 1

`Hey,

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5)

length(find(level(find(age(find(gender=="female"))>30))~=1))

6)

length(find(age(find(gender=="female"))>=25&age(find(gender=="female"))<=30))

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