2 years ago

Can you help me please

Mathematics

2 answers:

Salsk061 [2.6K]2 years ago

7 0

It’s 120
Hope this helps

Alina [70]2 years ago

3 0

Answer:

120 in²

Hope this helps!

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Answer:

Step-by-step explanation:

a). Mean of the given data set = $\frac{32+28+18+40+22}{5}$

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b). x $x-\overline{x}$ $(x-\overline{x})^2$

32 32-28 = 4 16

28 28 - 28 = 0 0

18 18 - 28 = -10 100

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22 22 - 28 = -6 36

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c). Standard deviation = $\sqrt{\frac{\sum (x-\overline{x})^2}{n}}$

= $\sqrt{\frac{296}{5} }$

= 7.69

d). Mean of the new set of weights = $\frac{32+33+34+35+36}{5}$

= 34

Since mean of the data set is more close to each data, standard deviation will be less than the deviation given in part (c).

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2 years ago

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Answer:

b) 13:15

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Step-by-step explanation:

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