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Statistics
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Basic Statistical Analysis
Quiz 5: Z Scores, T Scores and Other Normal Curve Transformations
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Question 81
Short Answer
A certain raw score equals 12 and has a percentile rank of 30. The standard deviation is 2.93. What is the mean of the distribution?
Question 82
Short Answer
With a mean of 150 and an SD of 17, find the T score for a raw score of 80.
Question 83
Short Answer
A certain raw score equals 85 and is at the 15th percentile. The standard deviation is 15.27. What is the mean of the distribution?
Question 84
Short Answer
For the questions below ,find the T score. -z = 2.25
Question 85
Short Answer
The mean equals 60. One individual scores at the 13th percentile and has a raw score of 50. What is the standard deviation?
Question 86
Short Answer
On a distribution with a mean of 75 and an SD of 15, what raw score falls at the 95th percentile?
Question 87
Short Answer
A certain raw score equals 85 and is at the 85th percentile. The standard deviation is 15.27 What is the mean of the distribution?
Question 88
Short Answer
For the questions below ,find the T score. -z = -.10
Question 89
Short Answer
A certain raw score equals 71 and is at the 72nd percentile. The standard deviation is 3.00. What is the mean of the distribution?
Question 90
Short Answer
The mean equals 100. One individual scores at the 20th percentile and has a raw score of 85. What is the standard deviation?
Question 91
Short Answer
For the questions below ,find the T score. -z = 1.28
Question 92
Short Answer
The mean equals 30. One individual scores at the 26th percentile and has a raw score of 26. What is the standard deviation?
Question 93
Short Answer
For the questions below ,find the T score. -z = 0 68
Question 94
Short Answer
The mean equals 55. One individual scores at the 39th percentile and has a raw score of 42. What is the standard deviation?
Question 95
Short Answer
For the questions below ,find the T score. -z = 1.65
Question 96
Short Answer
With a mean of 15 and an SD of 2.38, find the T score for a raw score of 12.
Question 97
Short Answer
The mean equals 100. One individual scores at the 58th percentile and has a raw score of 107. What is the standard deviation?
Question 98
Short Answer
A certain raw score equals 160 and is at the 53rd percentile. The standard deviation is 10.00. What is the mean of the distribution?
Question 99
Short Answer
The mean height for a group of children is normally distributed, with a mean of 55" and an SD of 3.71". One child is at the 39th percentile of the height distribution. How tall is that child?