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WorksheetsEmpirical(68-95-99.7) Rule Quiz
Total questions: 22
Worksheet time: 29mins
Highest point of the curve, the center, represents the _?
μ
δ
Σ
Ζ
What is the percentage of data that falls within three standard deviations of the mean?
99.7%
98.7%
95%
100%
What is the percentage of data that falls within two standard deviations of the mean?
68%
99.7%
95%
98%
What is the percentage of data that falls within one standard deviation of the mean?
67%
65%
72%
68%
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 600 and 700? Calculate the probability.
2.5%
2.35%
16%
13.5%
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 300 and 500? Calculate the probability.
49.85%
47.5%
50%
83.85%
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 600? Calculate the probability.
47.5%
48.85%
50%
83.85%
Scores on a certain standardized test have a mean of 500, and a standard deviation of 100. How common is a score between 200 and 700? Calculate the probability.
99.7%
95%
97.35%
None of the Above
The mean (500) is also called the
The Reflection
The Line of Symmetry
Half way point
Standard Deviation
You ______________ the standard deviation to the mean to the Right and ___________ the standard deviation to the mean to the Left for the 68-95-99.7 Rule
Subtract, Add
Multiply, Divide
Divide, Multiply
Add, Subtract
What is the Range for 1 Standard Deviation away 68%?
400-600
500-700
400-700
300=700
What is the Range for 2 Standard Deviations away 95%
400-700
300-600
300-700
200-800
What is the Range for 3 Standard Deviations Away 99.7%
200-700
300-800
300-700
200-800
The Empirical (68-95-99.7) Rule must be....
Normally Distributed (Symmetric about the mean)
Flat
Have no Mean
Have no Standard Deviation
True or false: A 68-95-99.7 Curve is always skewed right?
True
False
True or false: A 68-95-99.7 curve is symmetric?
True
False
