The data set below represents the ages of 36 executives. Find the percentile that corresponds to an age of 6565 years old. 2828 2828 3535 3737 3838 3838 3838 4141 4242 4444 4444 4444 4646 4747 4949 4949 5151 5252 5252 5353 5454 5454 5555 5757 5959 5959 6060 6161 6161 6363 6464 6565 6565 6565 6666 6666
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.
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2828
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2828
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3535
|
3737
|
3838
|
3838
|
3838
|
4141
|
4242
|
4444
|
|
|
4444
|
4444
|
4646
|
4747
|
4949
|
4949
|
5151
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5252
|
5252
|
5353
|
|
|
5454
|
5454
|
5555
|
5757
|
5959
|
5959
|
6060
|
6161
|
6161
|
6363
|
|
|
6464
|
6565
|
6565
|
6565
|
6666
|
6666
|
|
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