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If the mean score on a creativity test is 20, the standard deviation is 5, and the distribution is normal, the percentage of people who would obtain scores between 15 and 25 is
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
The term relative frequency refers to
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
In a distribution of Z scores, the mean is always
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
Which of the following statements regarding Z scores is FALSE?
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
The symbol for the standard deviation of a sample is
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
If the mean of a test is 13 and its standard deviation is 3, the Z score for a person with a raw score of 7 is
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
Using the percentage approximations for the normal curve, the percentage of scores between the mean and one standard deviation below the mean is
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
The symbol used to indicate a population parameter is usually
–2
34%
0
It indicates whether or not a distribution is skewed.
SD
34% + 34% = 68%
the number of times something occurs relative to the number of times it could have occurred.
a Greek letter.
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