Andy £9500 Bevan £25000 Cheryl £13250 Deva £75000 Elliott £12750 Frankie £29500 Grace £11000 a) Work out the mean income to 2 DP. b) Deva wa

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Andy £9500 Bevan £25000 Cheryl £13250 Deva £75000 Elliott £12750 Frankie £29500 Grace £11000 a) Work out the mean income to 2 DP. b) Deva was given a large bonus for 30 years service. Excluding Deva’s income, what was the mean income for the remaining 6 workers to 2 DP?

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Thành Công 5 years 2021-08-29T20:28:18+00:00 1 Answers 10 views 0

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  1. Giakhanh
    0
    2021-08-29T20:30:13+00:00
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    Answer:

    a. £25142.86

    b. £16833.33

    Step-by-step explanation:

    According to the Question,

    Given, The Salary Of 7 People in An Office are,

    Andy ⇒ £9500

    Bevan ⇒ £25000

    Cheryl ⇒ £13250

    Deva ⇒ £75000

    Elliott ⇒ £12750  

    Frankie ⇒ £29500

    Grace ⇒ £11000

    a. The mean income = Total Sum of Salaries ÷ Number of Workers

    Mean = (9500+25000+13250+75000+12750+29500+11000) ÷ 7

    Mean = 176000 / 7 ⇒ £25142.86

    b. Now, The Mean income After Excluding Deva’s Salary is,

    Mean = (9500+25000+13250+12750+29500+11000) ÷ 6

    Mean = 101000 / 6 ⇒ £16833.33

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )