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BabaBlast [244]

4 years ago

14

What is the abbreviation for SI unit of mass

2 answers:

Blababa [14]4 years ago

8 0

I would go with either NIST or SIKG. I put SIKG because the abbreviation for mass is kg and you r look for the SI unit of mass and then the SI stands for International System of units. So when you put both SI And KG (kilograms=mass) it makes SIKG.

This is probably not right but I tried.

Good Luck!

vovangra [49]4 years ago

4 0

Kilogram
Kg I think I did this last year sk

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Given: 76,45,64,80,92

Required: Determine the standard deviation

We start by calculating the mean

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Where x-> 76,45,64,80,92 and n = 5

$Mean = \frac {76+45+64+80+92}{5}$

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Subtract Mean (71.4) from each of the given data

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Determine the absolute value of the above result

$|4.6| = 4.6\\|-26.5| = 26.5\\|-7.4| = 7.4\\|8.6| = 8.6\\|20.6| = 20.6$

Square Individual Result

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Calculate the mean of the above result to give the variance

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Hence, Variance = 255.298

Standard Deviation is calculated by $\sqrt{Var}$

$SD = \sqrt{255.298}$

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$S.D = 15.98 (Approximated)$

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