if the mean = 3.175 and the deviation is 1.807, what percent of the year with the monthly rainfall within one standard deviation of the mean? Jan 4.951 July 5.176 Feb 0.681 August 3.901 March 0.391 Sept 1.626 April 0.456 Oct 0.016 May 1.891 Nov 6.376 June 2.481 Dec 7.981
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.
if the
Jan 4.951 July 5.176
Feb 0.681 August 3.901
March 0.391 Sept 1.626
April 0.456 Oct 0.016
May 1.891 Nov 6.376
June 2.481 Dec 7.981
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