Stats I
Assignment for Chapter 4 Percentiles

1. You are given the possible percentage returns on two projects. Your decision rule is to accept the project that has the lowest value at risk at the 20th percentile.

Which project would you choose? Explain your answer.
Returns
Project    K    L
-5    -2
2    0
3    4
4    7
8    12
Use the EXCEL Sheet to check your answer. Write down the equations you used to get the answers in EXCEL.

2. You are given the possible profits on contracts X and Y for the next year.
a. Find the 25th Percentile for X? Explain the meaning of the 25th percentile for profits on project X?
b. Find the 75th Percentile for Y? Explain the meaning of the 75th percentile for profits on project Y?

X    Y
80    19
66    50
71    16
55    12
83    65
Use the EXCEL Sheet to check your answer. Write down the equations you used to get the answers in EXCEL.

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