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2 years ago

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The circle graph shows how a family spends its annual income. If $26,450 is used for Auto and Entertainment combined, what is th

e total annual income? housing 26%, food 15%, clothing 14%, auto 12%, entertainment 11%, saving 9%, insurance 10%

1 answer:

nika2105 [10]2 years ago

5 0

12%+11%=23% so, $26,450/.23=$115,000.

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Answer:

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<em> The variance of the the sample = 106.96</em>

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Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given random sample of six employees

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mean of the sample

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Mean of the given data = 27.83

<u>Step(ii):-</u>

<u>Given data</u>

x : 26 32 29 16 45 19

x - x⁻ : -1.83 4.17 1.17 -11.83 17.17 -8.83

(x - x⁻)² : 3.3489 17.3889 1.3689 139.9489 294.80 77.9689

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Given sample size 'n' =6

The variance of given data

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$S^{2} = \frac{534.8245}{6-1} = 106.9649$

The variance of the given sample = 106.9649

<u> Step(iii):-</u>

Standard deviation of the given data

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Standard deviation of the sample = 10.3423

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2 years ago

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Answer:

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Step-by-step explanation:

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