4. Paul and Eduardo caught fish one weekend. The dot plots show the lengths of the fish they caught. Length of Paul's Fish 15 16 17 18 19 20 21 22 Inches Length of Eduardo's Fish 15 16 17 18 19 20 21 22 Inches Which statement about the lengths of the fish caught by Paul and Eduardo appears to be true? A. The data for Paul's fish and the data for Eduardo's fish are skewed to the right. B. The median length of the fish caught by Paul is greater than the median length of the fish caught by Eduardo. C. The range of the length of the fish caught by Eduardo is greater than the range of the length of the fish caught by Paul. D. The data for Paul's fish and the data for Eduardo's fish are approximately symmetrical.
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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