Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x y 5 39.17 6 36.18 7 35.19 8 33.3 9 29.61 10 26.12 11 25.53 12 21.44 13 22.55 14 19.06 15 17.97 16 15.78 17 10.99 18 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.
Based on the data shown below, calculate the
| x | y |
|---|---|
| 5 | 39.17 |
| 6 | 36.18 |
| 7 | 35.19 |
| 8 | 33.3 |
| 9 | 29.61 |
| 10 | 26.12 |
| 11 | 25.53 |
| 12 | 21.44 |
| 13 | 22.55 |
| 14 | 19.06 |
| 15 | 17.97 |
| 16 | 15.78 |
| 17 | 10.99 |
| 18 | 8 |
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