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anonymous

  • 5 years ago

The data below describes the number of correct answers 50 students had on their recent exam (which contained 50 questions). Two student got 1-10 questions correct. Twelve students got 11-20 questions correct. Twenty two students got 21-30 questions correct. Eight students got 31-40 questions correct. Six students got 41-50 questions correct. Find the median.

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  1. anonymous
    • 5 years ago
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    25.5 po ang sagot.

  2. anonymous
    • 5 years ago
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    no thats not the answer

  3. anonymous
    • 5 years ago
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    I think the median is 40

  4. anonymous
    • 5 years ago
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    nope not the answer either

  5. anonymous
    • 5 years ago
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    There are two students missing... as I read the problem...

  6. anonymous
    • 5 years ago
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    interval f cf 41-50 6 50 31-40 8 44 21-30 22 36 11-20 12 14 1-10 2 2 total 50 mdn = LL + {[(n/2)-cf] / f} (i) = 20.5 + {[(50/2) - 14] / 22} (10) = 25.5

  7. anonymous
    • 5 years ago
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    uy medal ko

  8. anonymous
    • 5 years ago
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    redepsilon your right I did the same thing as you wat happen was i had to round it up to 26

  9. anonymous
    • 5 years ago
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    do not round it off because 0.5 is significant. so it must be 25.5. asan na yung medal ko?

  10. anonymous
    • 5 years ago
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    my homework is on the internet and for some reason it would only allow two number and when i round it up it was correct but planning on bringing it up to the teacher

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spraguer (Moderator)
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