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Hesan

  • 4 years ago

Solve pls.....

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  1. hesan
    • 4 years ago
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    Class Frequency 200 – 299 12 300 – 399 19 400 – 499 6 500 – 599 2 600 – 699 11 700 – 799 7 800 – 899 3 Total Frequency 60 If this a frequency table then find out class marks- mid point and class width

  2. hesan
    • 4 years ago
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    ??

  3. hesan
    • 4 years ago
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    Solve that.......

  4. hesan
    • 4 years ago
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    It's a question of "Statistics"

  5. amistre64
    • 4 years ago
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    width = 300-200 = 100 i beleive

  6. amistre64
    • 4 years ago
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    marks are what, average between classes? or average of each class?

  7. hesan
    • 4 years ago
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    Average between each classs

  8. mathmate
    • 4 years ago
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    http://people.richland.edu/james/lecture/m170/ch02-def.html

  9. amistre64
    • 4 years ago
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    L1c to H1c = fq L2c to H2c = fq L3c to H3c = fq since the marks are the same "distances" in each case: L2c - H1c -------- = class mark 2

  10. amistre64
    • 4 years ago
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    add that to the H1c or subtract it from the L2c, should be the same

  11. amistre64
    • 4 years ago
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    midpoints are just: H1c-L1c ------- 2

  12. amistre64
    • 4 years ago
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    200 + 300 - 1 ------------ = 100 + 150 - 1/2 = 249.5 should be 2 49.5 from the lower ends for midpoints

  13. amistre64
    • 4 years ago
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    299.5 would seem appropriate for marks then .....

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