Further Applications of Normal Distributions (HSC SSCE Mathematics Standard): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In a normal distribution, which measures are equal?
In a normal distribution, which measures are equal?
Mean, mode, and median
What percentage of values fall within 1 SD of the mean?
What percentage of values fall within 1 SD of the mean?
68%
What percentage of values have z-scores between and ?
What percentage of values have z-scores between and ?
95%
What percentage of values fall within 3 SD of the mean?
What percentage of values fall within 3 SD of the mean?
99.7%
What is the formula for calculating a z-score?
What is the formula for calculating a z-score?
If mean is and SD is , what is the z-score for ?
If mean is and SD is , what is the z-score for ?
What percentage of values fall below the mean?
What percentage of values fall below the mean?
50%
What percentage falls between the mean and 1 SD above?
What percentage falls between the mean and 1 SD above?
34%
What percentage of values have z-scores above ?
What percentage of values have z-scores above ?
2.5%
If mean is and SD is , what % are below ?
If mean is and SD is , what % are below ?
84%