1. Find the sample standard deviation of 5, 2, 6, 3.
a. 0.80 b. 1.83 c. 1.58 d. 3.26
2. Find the sample variance of 5, 2, 6, 3.
a. 1.35 b. 3.33 c. 2.5 d. 1.26
3. If the values 5, 2, 6, 3 represent the entire population, find the standard deviation.
a. 0.80 b. 1.83 c. 1.58 d. 3.26
Use the data in the following table for questions 4-6.
Number of Occurrences Value
5 .89
10 .942
45 .955
20 .996
13 1.092
10 1.15
7 1.24
4. What is the sample mean?
a. .953 b. .955 c. 1.010 d. 1.04
5. What is the sample standard deviation?
a. .091 b. .098 c. .198 d. .310
6. What is the sample variance?
a. .008 b. .039 c. .103 d. .127
Attachment:- 1301048_1_FEProbStats--3-.doc