16 Sonya collected data on the shoe size worn by each member of her class. She used this data to calculate the average shoe size in the class. This average is A primary microdata. C secondary microdata. B primary aggregate data. D secondary aggregate data.
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.
Multiple choice question
Select the best suitable answer. If none of the choices represents a correct answer, select “Other” and write your own answer.
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