Normal Distribution Review Question Preview (ID: 53778)


Normal Distribution, Empirical Rule, Z-scores. TEACHERS: click here for quick copy question ID numbers.

What is the shape of a normal distribution?
a) bell curve
b) parabola
c) circle
d) right triangle

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is +1 standard deviation from the mean?
a) 31
b) 34
c) 40
d) 43

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is -2 standard deviations from the mean?
a) 43
b) 40
c) 34
d) 31

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is +3 standard deviations from the mean?
a) 28
b) 46
c) 31
d) 43

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. What value is -3 standard deviations from the mean?
a) 31
b) 46
c) 28
d) 43

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. Between what two values do 68% of data lie?
a) 34-40
b) 31-43
c) 28-46
d) none

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. Between what two values do 95% of data lie?
a) 34-40
b) 31-43
c) 28-46
d) none

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. Find the z-score for 50.
a) -3.3
b) -1.7
c) 2.7
d) 4.3

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. Find the z-score for 32.
a) -3.3
b) -1.7
c) 2.7
d) 4.3

A set of data with a mean of 37 and standard deviation of 3 is normally distributed. Find the z-score for 27.
a) -3.3
b) -1.7
c) 2.7
d) 4.3

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