Based on the data shown below, calculate the correlation coefficient (to three decimal places) x y 4 9.78 5 9.25 6 11.32 7 12.99 8 9.76 9 9.53 10 12.3 11 13.77 12 10.34 13 11.31 14 10.98 15 14.45 16 13.82 17 13.79 18 13.36 19 14.63
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 |
|---|---|
| 4 | 9.78 |
| 5 | 9.25 |
| 6 | 11.32 |
| 7 | 12.99 |
| 8 | 9.76 |
| 9 | 9.53 |
| 10 | 12.3 |
| 11 | 13.77 |
| 12 | 10.34 |
| 13 | 11.31 |
| 14 | 10.98 |
| 15 | 14.45 |
| 16 | 13.82 |
| 17 | 13.79 |
| 18 | 13.36 |
| 19 | 14.63 |
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