Question

The following Table A shows the average costs for the indicated academic year for all Texas public two-year community colleges. 2008-2009 2009-2010 2010-2011 2011-2012 2012-2013 2013-2014 2014-2015 $1662 $1746 $1858 $2040 $2146 $2204 $2290 2019-2020 2020-2021 2015-2016 $2324 2016-2017 $2437 2017-2018 $2560 2018-2019 $2620 Table A Texas Public Two-Year In-District Tuition and Fees Source: The College Board, Annual Survey of Colleges Note: Average tuition and fee prices are weighted by full-time enrollment (12 hours per semester.)

Answer 1

$aa)Mean=\frac{\sum X_i}{n}=\frac{23887}{11}=2174.5455$

ab)Median->Middle value of 11 values=6th value=2204

ac)Mode doesnot exist

$ad)Increase=\frac{2620}{1662}-1=0.5764=57.64\%$

$ae)\text{Avg Increase}=\frac{2620-1662}{1662*10}=0.0576=5.76\%$

af)Fee for 2019-2020=1662*(1+11*0.0576)=2715.8

Fee for 2020-2021=2742*(1+12*0.0576)=2811.6

ag)% increase=2811.6/2715.8-1=3.52%

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