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Chapter 7: Central Limit Theorem (concepts) Latasha Brittingham

Question 1 0/1 pt 3 99

Question 2 0/1 pt 3 99

Question 3 0/1 pt 3 99

If the sample size is 36 and the population standard deviation is 18, then the standard deviation of the

sampling distribution for means is 3.

True

False

Hint:

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Question Help: Message instructor

When using the central limit theorem for means with n = 75, it is not necessary to assume the

distribution of the population data is normally distributed.

True

False

Hint:

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Question Help: Message instructor

The population mean will always be the same as the mean of all possible that can be computed from

samples of size 31.

True

False

Hint:

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http://www.ltcconline.net/greenl/courses/201/MoodleHints/CentralLimitTheorem/CLTTF/hint2.html

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Question 4 0/1 pt 3 99

Question 5 0/1 pt 3 99

Question 6 1 pt 1 99

Question 7 1 pt 1 99

A larger sample size will result in a smaller sample standard deviation for the sample.

True

False

Hint:

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Convenience sampling was used to ask 21 students how much money they spent on books this quarter.

The standard deviation was found to be $36. If a larger sample with a more scientific sampling

technique is used then the standard deviation of the new sample will go down.

True

False

Hint:

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The symbol represents the population mean of all possible sample means of size n.

False

True

Hint: Help

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http://www.ltcconline.net/greenl/courses/201/MoodleHints/CentralLimitTheorem/CLTTF/hint2.html

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Question 8 1 pt 1 99

Question 9 1 pt 1 99

Question 10 1 pt 1 99

The symbol represents the mean of all possible sample proportions from samples of size n.

True

False

Hint: Help

Question Help:

p

Message instructor

The symbol represents the standard deviation of all possible sample proportions from samples of size

n.

False

True

Hint:

Hint

Textbook Pages

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The symbol represents the mean of the sample.

False

True

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The symbol represents the standard deviation of a sample of size n.

True

False

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