vorkers Is ve. SW As the head of a social services agency, you believe that your staff of 20 social much overworked compared with 10 years ago. The caseloads for each worker are reported belov for each of the two years in question. Has the average caseload increased? Which measure of central tendency is most appropriate to answer this question? Why? 2009 2019 52 55 42 82 50 49 75 50 57 50 69 52 49 52 65 50 45 59 58 55 65 60 64 65 60 65 69 60 55 68 60 60
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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