Here is a bivariate data set. x -10.8 35.2 38.8 30.9 37.5 35.3 y 87.2 65.4 138.4 54 17.7 29.4 Find the correlation coefficient and report it accurate to three decimal places. r =
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.
Here is a bivariate data set.
x
-10.8
35.2
38.8
30.9
37.5
35.3
y
87.2
65.4
138.4
54
17.7
29.4
Find the
r =
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