unit 7 - help request

System
System Posts: 100,534 🤖 Admin 🤖
please can someone offer advice on how to remember the calculations involved with index numbers and also the retail price index thank you

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  • System
    System Posts: 100,534 🤖 Admin 🤖
    Re:unit 7 - help request

    Hope this helps

    Multiply the figure in question by (relevant index number / older index number)

    e.g 1
    Inflation - Question Inflate months 1-2 to month 3

    Month RPI Sales
    1 182 200
    2 194 230
    3 199 260

    Answer - Month 1 = 200 x (199/182) = 218.61
    Month 2 = 230 x (222/194) = 263.20

    e.g 2
    Deflate - Question Deflate months 2-3 to month 1

    Month RPI Sales
    1 82 421
    2 96 480
    3 99 490

    Answer - Month 2 = 480 x (82/96) = 410.00
    Month 3 = 490 x (82/99) = 405.86
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