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Howard-Wolowitz

  • one year ago

Help with a question: Need someone to explain the way to the answer!

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  1. Howard-Wolowitz
    • one year ago
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  2. Howard-Wolowitz
    • one year ago
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    i cant draw a graph for my question i have to describe it

  3. welshfella
    • one year ago
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    I haven't got enough time to help you with all this Remember the median is the middle value mean = sum of all the values divided by 7

  4. welshfella
    • one year ago
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    and the range = highest value - lowest

  5. Howard-Wolowitz
    • one year ago
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    so would you suggest I put that all values are the same?

  6. Howard-Wolowitz
    • one year ago
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    guys, each time i do it i draw graphs but i wouldnt know how to put them into the words for the answer

  7. welshfella
    • one year ago
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    the median is the same for all three - check out the middle value

  8. Howard-Wolowitz
    • one year ago
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    i see its 11

  9. welshfella
    • one year ago
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    right Have have you worked out each of the mean's?

  10. Howard-Wolowitz
    • one year ago
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    no i was trying to figure out what standard deviation was

  11. Howard-Wolowitz
    • one year ago
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    i do it now

  12. Howard-Wolowitz
    • one year ago
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    A: 11 mean B: 11 mean C:11 mean

  13. Howard-Wolowitz
    • one year ago
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    So, thats something thats similar

  14. welshfella
    • one year ago
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    |dw:1441813625332:dw|

  15. Howard-Wolowitz
    • one year ago
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    oh, and the median is the same for all three

  16. welshfella
    • one year ago
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    right the above histogram is for the list C and gives an idea of the distribution of the numbers

  17. welshfella
    • one year ago
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    yes mean and median are the same

  18. welshfella
    • one year ago
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    and also the range is the same 17 - 5 = 12 in each case

  19. Howard-Wolowitz
    • one year ago
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    oh i missed that

  20. welshfella
    • one year ago
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    you can draw similar histograms for A and B to show the difference in distribution of the values

  21. welshfella
    • one year ago
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    the standard deviation is a bit more complicated do you know how to work that out? its values gives an idea of the spread of data within the data set.

  22. Howard-Wolowitz
    • one year ago
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    For the standard deviation of "A" I got 4.3

  23. Howard-Wolowitz
    • one year ago
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    For the standard deviation for "B" I got 5

  24. Howard-Wolowitz
    • one year ago
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    For the standard deviation for "C" I got 6

  25. welshfella
    • one year ago
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    yes that figures the spread is not that much different but because of the 3 5's and 3 17's in C it will be greater that A or B.

  26. Howard-Wolowitz
    • one year ago
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    So, my final answer answer is gonna be: For all three, mean, median and range are the same but standard deviation is different in all three.

  27. welshfella
    • one year ago
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    yea

  28. welshfella
    • one year ago
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    - well say std dev for C is greater than B and B greater than A.

  29. Howard-Wolowitz
    • one year ago
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    ok gotcha

  30. welshfella
    • one year ago
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    good

  31. Howard-Wolowitz
    • one year ago
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    PoWer of the "Welsh minds!" @welshfella #welsh-power

  32. welshfella
    • one year ago
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    lol

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