For the following set of observations: 9,28,15,21,12,22,29,20,23,31,11,19,24,16,13 A. Calculate the first, second, and third quartiles. B. Calculate the inter quartile range. C. Draw a box plot for the data. D. Can you identify any outliers in the data using your box plot?
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.
For the following set of observations:
9,28,15,21,12,22,29,20,23,31,11,19,24,16,13
A. Calculate the first, second, and third
B. Calculate the inter
C. Draw a box plot for the data.
D. Can you identify any outliers in the data using your box plot?
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