calculated value of r 1.) (3,4) (5,8) (9,7) 2.) r = 0.96
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.
calculated value of r
1.) (3,4) (5,8) (9,7)
2.) r = 0.96
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1)
Step-by-step procedure to find the sample correlation coefficient using Excel:
- In Excel sheet, enter x in one column and enter y in one column.
- In Data, select Data Analysis and choose Correlation.
- In Input Variable Range, select x and y.
- Click Labels.
- Click Ok.
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