The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005.mean (μ) = 1000 FTESmedian = 1,014 FTESStandard deviation (σ) = 474 FTESfirst quartile = 528.5 FTESthird quartile = 1,447.5 FTESCount (n) = 29 yearsWhat percent of the FTES were from 528.5 to 1447.5? How do you know?What is the IQR? What does the IQR represent?How many standard deviations away from the mean is the median?

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Description: The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005.mean (μ) = 1000 FTESmedian = 1,014 FTESStandard deviation (σ) = 474 FTESfirst quart

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

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The population parameters below describe the full-time equivalent number of students (FTES) each year at Lake Tahoe Community College from 1976–1977 through 2004–2005.

mean (μ) = 1000 FTES
median = 1,014 FTES
Standard deviation (σ) = 474 FTES
first quartile = 528.5 FTES
third quartile = 1,447.5 FTES
Count (n) = 29 years

What percent of the FTES were from 528.5 to 1447.5? How do you know?
What is the IQR? What does the IQR represent?
How many standard deviations away from the mean is the median?

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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