2 years ago

£399 is shared between Ann, Bill, Chloe and Dave.

Mathematics

1 answer:

tiny-mole [99]2 years ago

6 0

Answer is 4.5 Show all
Steps below

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The table shows the ratio of cups of water to cups of juice needed for a certain number of servings. A 3-column table has 3 rows

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Step-by-step explanation:

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A distribution data has a maximum value of 96, a median value of 56.5, and a minimum of 23. Use the range rule of thumb to estim

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Answer:

The standard deviation estimate by the Range Rule of Thumb = 18.3

Step-by-step explanation:

i) maximum = 96

ii) minimum = 23

iii) standard deviation $\approx$ $\frac{(maximum\hspace{0.1cm} - \hspace{0.1cm} minimum)}{4} = \frac{96 - 23}{4} = \frac{73}{4} = 18.25$

The standard deviation estimate by the Range Rule of Thumb = 18.3

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During his last 5 jobs, an electrician used the following amounts of cable:

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The total amount of cable used is 47.4m

<u>Explanation:</u>

Given:

Amounts of cable used that has to be rounded off to 1 decimal place:

12.995 m ≈ 13.0 m

7.505 m ≈ 7.5m

10.08 m ≈ 10.1 m

6.95 m ≈ 7.0 m

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Total amount of cable used = 13m + 7.5m + 10.1m + 7m + 9.8m

= 47.4m

Therefore, total amount of cable used is 47.4m

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