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3 years ago

What is a practical way of keeping all of the information organized?

1 answer:

OverLord2011 [107]3 years ago

8 0

You could make all sorts of charts and fancy tabs, but for me, the easiest thing to do is to put everything in a folder. That way you know exactly where it is: it must be in the folder.

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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

Canadians

Sample size = 50
Mean = 4.6
Standard deviation = 2.9

Americans

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

5 0

2 years ago

Do you know whos seates re better trump or biden

Ede4ka [16]

Answer:

biden

Explanation:

biden is better

trump is gross

he is racist

and has a crush

on his own

daughter

8 0

3 years ago

Ronnie wants to lower his utility bills to save money on his monthly expenses. He discovers that if he replaces his water heater

mote1985 [20]

Answer:55.4%
I Hope This Helps

6 0

2 years ago

When making smart food choices, what question should be asked before deciding to eat at a restaurant?

Ivan

Answer:

Are the available choices in my nutritional goals

Explanation:

Smart food decisions are required for maintaining your body healthy especially when your following a diet and have a goal.

5 0

2 years ago

We need theorists and researchers to generate and refine.

Novay_Z [31]

Generate and refine what?

4 0

2 years ago