Textbook ExpertVerified Tutor
14 Dec 2021
Given information
Let random variable X represents the number of colors on a national flag.
X | Freq |
1 | 1 |
2 | 7 |
3 | 18 |
4 | 7 |
5 | 6 |
Step-by-step explanation
Step 1.
Table for calculation of standard deviation -
1 | 1 | 1 | 1 |
2 | 7 | 14 | 28 |
3 | 18 | 54 | 162 |
4 | 7 | 28 | 112 |
5 | 6 | 30 | 150 |
Total | 39 | 127 | 453 |
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