40 blood groups ,The answer was recorded as shown below: OOABAOAAAOBOBOOAOOAAAA AB A B A A O O A O O A A A O A O O AB Answer these two questions: 1. These data belong to which types of data? Then, try to summarize these data and present it in the most scientific way (Table or Figure). 2. If it is possible try to find the mean and standard error? If not try to give the reason, why?
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.
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