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PSYCHO15rus [73]
3 years ago
15

C²_4 Which expression is equivalent to C+3 C+2 3(2-0)

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0

Answer:

<h2>its equivalent to , x (12 y+4)</h2><h2 />

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The following data was collected from 10 visitors to Disneyland. A researcher stood at the entrance gate and interviewed the fir
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Answer:

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Step-by-step explanation:

1. The first step to calculate the standard deviation is to find out the mean, this way:

Mean = (1 + 1 + 2 + 2 + 2 + 2 + 3 + 3 + 4 + 7)/10

Mean = 27/10 = 2.7

2. Now we calculate the variance, this way:

Variance = [(1 - 2.7)²+(1 - 2.7)²+(2 - 2.7)²+(2- 2.7)²+(2 - 2.7)²+(2 - 2.7)²+(3- 2.7)²+(3 - 2.7)²+(4 - 2.7)²+(7- 2.7)²]/10

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Variance = 28.1/10 = 2.81

3. Finally we calculate the standard deviation, this way:

Variance = Standard deviation²

√Variance = Standard deviation

√2.81 =  Standard deviation

<u>Standard deviation = 1.68 (Rounding to two decimal places)</u>

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