Based on the data shown below, calculate the correlation coefficient (rounded to three decimal places) x 2 3 4 5 6 7 8 9 10 11 12 y 31 30.17 27.54 28.51 24.48 26.15 23.12 21.99 22.06 22.03 20.5
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
2
3
4
5
6
7
8
9
10
11
12
y
31
30.17
27.54
28.51
24.48
26.15
23.12
21.99
22.06
22.03
20.5
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