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.

• =1,000FTES
• median=1,014FTES
• =474FTES
• first quartile=528.5FTES
• third quartile=1,447.5FTES
• n=29n=29years

(a) A sample of 13 years is taken. How many are expected to have a FTES of 1,014 or above?

(b)25% of all years have an FTES:

i.) At or below: ______

ii.) At or above:_______

(c) The population standard deviation=

(d) What percent of the FTES were from 528.5528.5 to 1,477.51,477.5?

(e) What is the IQR?What does the IQR represent?

The IQR is ________ and it represents the spread of the middle half of the data.

(f) How many standard deviations away from the mean is the median? Round your answer to three decimal places.