Statistics
Tylr001. Compute the exclusive and inclusive ranges for the following items
High score
7
89
34
15
1
Low score
6
45
17
2
1
2. Why would you expect more variability on a measure of personality in college freshman grades than you would on a measure of height?
3. Why does the standard deviation get smaller as the individuals in a group score more similarly on a test?
4. Compute range, unbiased and biased, standard deviation and variance on the following numbers: 31, 42, 35, 55, 54, 34, 25, 44, 35
5. Compute unbiased estimate of standard deviation on the following numbers: 4,5,6,2,5,7,5,6,8,5
6. Find the range, standard deviation and variance for the following:
a. 3,5,7,9 b. 2,4,6,8 c. 3.5. 6.2, 9.3, 4.1, 5.5, 7.9
- 10 years ago
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