Unit 6 Statistics Review
Flashcard
•
Mathematics
•
10th - 11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What percent of data falls within 2 standard deviations of the mean in a normal distribution?
Back
95% of data falls within 2 standard deviations of the mean in a normal distribution.
2.
FLASHCARD QUESTION
Front
What type of research involves manipulating variables to determine cause and effect?
Back
Experiment.
3.
FLASHCARD QUESTION
Front
What is the shape of a distribution that has a longer tail on the right side?
Back
Skewed right.
4.
FLASHCARD QUESTION
Front
In a normal distribution with a mean of 69 inches and a standard deviation of 2.5 inches, what percent of men are between 64 and 66.5 inches tall?
Back
13.5%.
5.
FLASHCARD QUESTION
Front
What type of study involves observing subjects in their natural environment without manipulation?
Back
Observational study.
6.
FLASHCARD QUESTION
Front
What is the mean in a data set?
Back
The mean is the average of all data points in a set.
7.
FLASHCARD QUESTION
Front
What does standard deviation measure in a data set?
Back
Standard deviation measures the amount of variation or dispersion of a set of values.
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