The population full-time equivalent number of students (FTES) at Lake Tahoe Community College for 2005-2006 through 2010-2011 was given in an updated report. The data are reported here. Year 2005-06 2006-07 2007-08 2008-09 2009-10 2010-11 1,735 Calculate the mean, median, standard deviation, the first quartile, the third quartile and the IQR. Round to one decimal place. Total FTES 1,585 1,690 1,935 2,021 1,890 mean median standard deviation first quartile third quartile IQR
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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