Calculate the relative frequency of X = 2 in the dataset presented in the frequency table below (be sure to round response two decimal places). X f 9 16 8 20 7 21 6 24 5 25 4 23 3 19 2 16 1 10
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.
Calculate the relative frequency of X = 2 in the dataset presented in the frequency table below (be sure to round response two decimal places).
| X | f |
| 9 | 16 |
| 8 | 20 |
| 7 | 21 |
| 6 | 24 |
| 5 | 25 |
| 4 | 23 |
| 3 | 19 |
| 2 | 16 |
| 1 | 10 |
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