Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x y 5 30.6 6 32.02 7 35.84 8 35.96 9 38.18 10 43.6 11 44.22 12 48.74 13 48.66 14 53.98 15 54.6 16 56.22 17 59.74 18 62.66
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 | 30.6 |
6 | 32.02 |
7 | 35.84 |
8 | 35.96 |
9 | 38.18 |
10 | 43.6 |
11 | 44.22 |
12 | 48.74 |
13 | 48.66 |
14 | 53.98 |
15 | 54.6 |
16 | 56.22 |
17 | 59.74 |
18 | 62.66 |
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