statistics
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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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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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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
Question Help:
x
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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
Hint: Help
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http://www.ltcconline.net/greenl/courses/201/MoodleHints/CentralLimitTheorem/CLTTF/hintSymbols.html
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https://stats.libretexts.org/Courses/Lake_Tahoe_Community_College/Book%3A_Introductory_Statistics_(OpenStax)_With_Multimedia_and_Interactivity/08%3A_Confidence_Intervals/8.04%3A_A_Population_Proportion
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The symbol represents the standard deviation of a sample of size n.
True
False
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http://www.ltcconline.net/greenl/courses/201/MoodleHints/CentralLimitTheorem/CLTTF/hintSymbols.html
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