Find the range, sample standard deviation and sample variance for the following data set: 19 20 17 19 17 21 23 21 17 17 19 19 17 20 23 18 18 18 18 19 Group of answer choices A. Range = 6, Sample SD =10.4, Sample Variance =none B. Range = 12, Sample SD =10.4, Sample Variance =107.7 C.Range = 6, Sample SD =107.7, Sample Variance =10.4.7 D. Range = 6, Sample SD =10.4, Sample Variance =107.7
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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19 20 17 19 17 21 23 21 17 17
19 19 17 20 23 18 18 18 18 19
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