3 years ago

Please help these two questions!!! If you know it! It will mean a lot if you show me how to do it!

1 answer:

8 0

A ) = $ 0.18/oz = 4.68/26

b) = $0.19/oz = 2.66/14= 0.19

a is a better buy

9) for every 5 babies they need 1 babysitter, so for 40 babies they will need 8 babysitters.

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Help plz no links unhelpful answers will get reported use formulas plz. I'm being gneerous

MA_775_DIABLO [31]

Answer:

what's the question?? I b.d ont get it

7 0

3 years ago

What is the mean absolute deviation?

Lostsunrise [7]

Answer:

0.8 cm

Step-by-step explanation:

The formula for MAD is attached in the picture.

x_i are the values (data)

x bar is the mean

n is the number of numbers (data)

For figuring out MAD, basically, <em>we subtract the mean from each of the values respectively and take the absolute value and SUM for all of the numbers in the data set. Then we divide by n, the number of numbers.</em>

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Let's do this:

MAD = $\frac{|2-3|+|2-3|+|2-3|+|2-3|+|3-3|+|3-3|+|3-3|+|4-3|+|4-3|+|5-3|}{10}\\=\frac{1+1+1+1+0+0+0+1+1+2}{10}\\=\frac{8}{10}=0.8$