Calculate t for the comparison of the mean for CA with the mean for CB. CA CB CC CD 4 6 8 9 5 7 9 9 8 9 10 10 7 7 9 10 5 7 9 8 6 7 7 9 7 9 10 11 3 5 6 7 5 4 7 7 6 7 9 10
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.
Calculate t for the comparison of the
CA CB CC CD
4 6 8 9
5 7 9 9
8 9 10 10
7 7 9 10
5 7 9 8
6 7 7 9
7 9 10 11
3 5 6 7
5 4 7 7
6 7 9 10
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