The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 4 4 4. 6. 2 7 1 8
The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 4 4 4. 6. 2 7 1 8
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:O Question 1
The table below shows the scores of a group of students on a 10-point quiz.
Test Score
Frequency
3
4
6.
8
1
10
1.
The mean score on this test is:
The median score on this test is:
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Expert Solution
Step 1
Given information:
| Test score(x) | frequency(f) |
| 3 | 0 |
| 4 | 4 |
| 5 | 4 |
| 6 | 2 |
| 7 | 1 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
Mean:
| Test score(x) | frequency(f) | xf |
| 3 | 0 | 0 |
| 4 | 4 | 16 |
| 5 | 4 | 20 |
| 6 | 2 | 12 |
| 7 | 1 | 7 |
| 8 | 2 | 16 |
| 9 | 1 | 9 |
| 10 | 1 | 10 |
Therefore,
Thus, the mean score on the test is 6.
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