eBook A sample containing years to maturity and yield for 40 corporate bonds are contained in the data given below. Years to Years to Maturity Yield Maturity Yield 3.25 7.025 17.50 7.037 25.75 7.955 25.00 2.134 14.75 7.886 1.50 8.077 19.50 5.491 21.00 7.905 4.75 5.918 6.75 6.819 8.75 2.163 7.75 1.371 6.00 8.131 27.25 4.457 19.00 7.862 2.00 3.295 27.00 6.608 24.50 4.344 15.00 7.998 2.25 5.380 18.50 2.243 27.50 1.118 17.50 4.781 18.00 6.505 25.25 5.070 7.50 2.885 22.75 6.740 13.25 5.911 20.00 2.068 23.50 2.640 1.75 7.502 3.25 7.150 20.00 5.806 7.50 3.079 20.50 8.059 1.25 4.054 29.75 6.804 7.50 7.892 16.50 1.386 18.50 4.649 a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation?
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.
Help with questions A,B,C and D please. thank you
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