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2 years ago

What are your biggest challenges to finding enough practice?

SAT

2 answers:

frutty [35]2 years ago

5 0

Failure in my opinion

k0ka [10]2 years ago

3 0

Answer:

Time and concentration to sit 3 hours straight

Explanation:

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Researchers use what groups as dependent variable so that they can be certain of how experimental groups are responding

Natasha2012 [34]

Answer:

They use a control group.

Hope this helps :)

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1 year ago

Which detail best supports the central idea that the animals felt pride in growing and supplying their own food? "all through th

astraxan [27]

Answer: Every mouthful of food was an acute positive pleasure now that it was truly their own food (C)

Explanation:Trust the process

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2 years ago

To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians

yKpoI14uk [10]

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

Sample size = 50
Mean = 4.6
Standard deviation = 2.9

<u>Americans</u>

Sample size = 60
Mean = 5.2
Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

$SE = \frac{\sigma}{\sqrt n}$

The standard error of the Canadian sample is:

$SE_1 = \frac{2.9}{\sqrt{50}}$

So, we have:

$SE_1 = 0.41$

The standard error of the American sample is:

$SE_2 = \frac{1.3}{\sqrt{60}}$

So, we have:

$SE_2 = 0.17$

The standard error of the difference of sample means is then calculated as:

$SE= \sqrt{SE_1^2 + SE_2^2}$

This gives

$SE= \sqrt{0.41^2 + 0.17^2}$

$SE= \sqrt{0.197}$

Take square roots

$SE= 0.444$

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

brainly.com/question/6851971

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2 years ago

To support his argument, the author includes quotations by a chinese corporate leader. A chinese newspaper reporter. A prominent

dmitriy555 [2]

Answer:

Explanation:

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1 year ago

What is the most likely effect of deforestation that results from urbanization of an area?

dsp73

The effect of deforestation due to urbanization is partly to lose habitat for wildlife that lived in the forest and also it can increase erosion if it is on a mountainside with somewhat steep terrain, for example. On the other hand, once a new section of city is developed properly, it may have have new parks which can provide some habitat for small animals like squirrels and also birds.

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2 years ago

Read 2 more answers