please answer it quiCkly I will mark you as brainliest
find the unknown values in the following table:
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| class-interval | frequency | CF |
|. 0-10. | 5. |. 5. |
|. 10-20. |. 7. |. x1 |
|. 20-30. |. x2. |. 18 |
|. 30-40. |. 5. |. x3 |
|. 40-50. |. x4. | 30. |
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Answer:
X1 = 12 [ 5 + 7 ]
x2 = 6 [ 5 + 7 + x = 18 ]
X3 = 23
x4 = 7
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