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5 August, 18:37

5. Does the frequency distribution given appear to be normal?

Years of service Frequency

1-5. 5

6-10 20

11-15. 25

16-20. 18

21-25. 5

26-30. 1

Yes, there is not symmetry.

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Yes, the frequencies are roughly symmetrical around the maximum.

No, the frequencies increase, reach a maximum, then decrease.

No, there is not a concentration of frequencies in the middle.

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Answers (1)
  1. 5 August, 19:02
    0
    The second yes is the answer
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