1. Following tablegives the birth rates and death rates per thousand of a few courtries. What masures of central terdency would you compute? Justify your êhvices.? Add last two igits of your registration rumber with below data. Country Birth rate Death rate France 38 34 Japan 27 17 Egypt 23 15 New Zealand 64 34 Russia 30 19 Germany 38 23 Australia 28 20 India 37 22
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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