Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions? Why is it useful to compare different distributions?
Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions? Why is it useful to compare different distributions?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
- Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions? Why is it useful to compare different distributions?
- For the following set of scores, fill in the cells.
The
Raw score |
Z score |
68.0 |
? |
? |
–1.6 |
82.0 |
? |
? |
1.8 |
69.0 |
? |
? |
–0.5 |
85.0 |
? |
? |
1.7 |
72.0 |
? |
- Questions 3a through 3d are based on a distribution of scores with and the standard deviation = 6.38. Draw a small picture to help you see what is required.
- What is the
probability of a score falling between a raw score of 70 and 80? - What is the probability of a score falling above a raw score of 80?
- What is the probability of a score falling between a raw score of 81 and 83?
- What is the probability of a score falling below a raw score of 63?
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