6.2 Confidence Intervals
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Other
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12th Grade
•
Hard
Bora Aslan
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28 questions
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1.
FLASHCARD QUESTION
Front
Margin of Error is equal to:
Back
2 * Standard Deviation
2.
FLASHCARD QUESTION
Front
True or False: The more confident you want to be, the smaller your confidence interval will be.
Back
False
3.
FLASHCARD QUESTION
Front
Which changes to a study result in a smaller confidence interval?
Back
decreasing the confidence level, increasing the sample size.
4.
FLASHCARD QUESTION
Front
Which z-value is used for a 95% confidence interval?
Back
1.96
5.
FLASHCARD QUESTION
Front
The amount added and subtracted to the statistic.
Back
Margin of Error
6.
FLASHCARD QUESTION
Front
What is the margin of error for the interval (6.8, 12.9)?
Back
3.05
7.
FLASHCARD QUESTION
Front
The height of women is normally distributed with an average height of 64 inches and a standard deviation of 2.5 inches. What interval contains 99.7% of all data?
Back
56.5 to 71.5
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