Below are a set of heights (in inches) and GPA scores for a sample of 6 students. Height GPA 60 4.0 55 3.2 62 3.7 58 3.9 49 2.4 61 2.8
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Below are a set of heights (in inches) and GPA scores for a sample of 6 students.
|
Height |
GPA |
|
60 |
4.0 |
|
55 |
3.2 |
|
62 |
3.7 |
|
58 |
3.9 |
|
49 |
2.4 |
|
61 |
2.8 |
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