The z statistic, distributions of means, and height, question 1: Using what we know about the height of 15-year-old girls (again, a= 63.8 inches and o 2.66 inches), imagine that a teacher finds the average height of 14 female students in one of her classes to be 62.4 nches. a Calculate the mean and the standard error of the distribution of mean heightS. b Caleulate the a. statistie to this group
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.
Answer part a,b,c
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