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Answer:
a)
Score | Frequency | xi*fi |
1 | 69 | 69 |
2 | 240 | 480 |
3 | 221 | 663 |
4 | 740 | 2960 |
5 | 268 | 1340 |
6 | 327 | 1962 |
7 | 68 | 476 |
Sum of xi*fi | 7950 | |
Sum of frequency | 1933 | |
Mean | 4.11 |
b)
c)
Please solve it step by step and clearly. Thank you. 5) Where do Americans tend to...
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