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rjkz [21]
3 years ago
12

Will give 20 points help !

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0

9514 1404 393

Answer:

  (d)  6000

Step-by-step explanation:

After switching the 2 and 6, the number is 6,241. The value of the 6 is found by setting the other digits to zero:

  6,000

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The error in Jerry's calculation is 4.84

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The mean is calculated as:

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The formula for the standard deviation is:

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This can be further calculated as:

SD = \sqrt{\frac{(10-6)^2+(2-6)^2+(4-6)^2+(8-6)^2}{4} }\\\\SD = \sqrt{\frac{4^2+(-4)^2+(-2)^2+(2)^2}{4} } \\\\SD = \sqrt{\frac{16+16+4+4}{4} } \\\\SD = \sqrt{\frac{40}{4} } \\\\SD = \sqrt{10} \\\\SD = 3.16

Jerry thinks the Standard Deviation = 8

The true Standard Deviation = 3.16

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Error = |3.16 - 8|

Error = 4.84

Learn more here: brainly.com/question/18562832

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