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3 years ago

What is the purpose of Australians paying tax?

2 answers:

5 0

Tax is money people and businesses pay to the Australian Government to provide services including: health. education. defence.

GenaCL600 [577]3 years ago

3 0

Tax is very good it shows americano how to do it very nice yes

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A research team investigates the potential association between hours of work and smoking. They want to see whether there is a di

Goryan [66]

Answer:

chi-square

Step-by-step explanation:

According to the given situation, Chi-square statistic would be considered for as we have to determine whether working hours and smoking are attached with each other or not.

To know whether working hours based on smoking or there is an important relationship between both- So Chi-square statistic would be used

Therefore the test that should be used is chi-square

8 0

3 years ago

What’s 3yrs and 4 months as a decimal?

kap26 [50]

I think it is 3.4
3 would be the whole

5 0

3 years ago

Associations In Data:Question 10

Karo-lina-s [1.5K]

Answer:

$\bar X = \frac{62+63+68+72+79+80+83+93+94+95}{10}= 78.9$

$|62-78.9| = 16.9$

$|63-78.9| = 15.9$

$|68-78.9| = 10.9$

$|72-78.9| = 6.9$

$|79-78.9| = 0.1$

$|80-78.9| = 1.1$

$|83-78.9| = 4.1$

$|93-78.9| = 14.1$

$|94-78.9| = 15.1$

$|95-78.9| = 16.1$

$MAD = \frac{\sum_{i=1}^n |X_i -\bar X|}{n}$

And replacing we got:

$MAD =\frac{16.9+15.9+10.9+6.9+0.1+1.1+4.1+14.1+15.1+16.1}{10}= 10.12$

And the best anwer is

10.12

Step-by-step explanation:

We have the following data given:

62 63 68 72 79 80 83 93 94 95

And we need to begin finding the mean with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X = \frac{62+63+68+72+79+80+83+93+94+95}{10}= 78.9$

Now we can find the mean absolute deviation like this:

$|62-78.9| = 16.9$

$|63-78.9| = 15.9$

$|68-78.9| = 10.9$

$|72-78.9| = 6.9$

$|79-78.9| = 0.1$

$|80-78.9| = 1.1$

$|83-78.9| = 4.1$

$|93-78.9| = 14.1$

$|94-78.9| = 15.1$

$|95-78.9| = 16.1$

And finally we can find the mean abslute deviation with the following formula:

$MAD = \frac{\sum_{i=1}^n |X_i -\bar X|}{n}$

And replacing we got:

$MAD =\frac{16.9+15.9+10.9+6.9+0.1+1.1+4.1+14.1+15.1+16.1}{10}= 10.12$

And the best anwer is

10.12

8 0

3 years ago

Fill in the blank to make equivalent rational expressions?

maks197457 [2]

Answer:

4(w - 9) or 4w - 36

Step-by-step explanation:

$\frac{4}{w + 3} = \frac{\alpha}{(w - 9)(w + 3)} \\\\ \alpha(w + 3) = 4(w - 9)(w + 3) \\\ \alpha = 4(w - 9)$

I hope I've helped you.

6 0

3 years ago

What is 2+2? PLS HELPPPPPP

GREYUIT [131]

I think it 70 or 4
ion really know

6 0

3 years ago

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