Question

In: Statistics and Probability

Predict the number of people arrested for drug possession in 2016 and 2017 from the data...

Predict the number of people arrested for drug possession in 2016 and 2017 from the data Year # of People Arrested 2006 1,519,760 2007 1,361,658 2008 1,321,824 2009 1,387,915 2010 1,179,728 2011 1,143,931 2012 1,237,708 2013 1,203,323 2014 982,169 2015 801,560 2016 2017 2018

Solutions

Expert Solution

data

year people
2006 1519760
2007 1361658
2008 1321824
2009 1387915
2010 1179728
2011 1143931
2012 123708
2013 1203323
2014 982169
2015 801560

in excel

data -> data analysis -> regression

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.618659074
R Square 0.38273905
Adjusted R Square 0.305581431
Standard Error 334685.1721
Observations 10
ANOVA
df SS MS F Significance F
Regression 1 5.55644E+11 5.55644E+11 4.96048291 0.05654219
Residual 8 8.96113E+11 1.12014E+11
Total 9 1.45176E+12
Coefficients Standard Error t Stat P-value Lower 95%
Intercept 166099369.9 74082225.11 2.242094776 0.055244584 -4734547.532
year -82067.55152 36847.62473 -2.227214159 0.05654219 -167038.3265

y^ = 166099369.9 -82067.55152 * year

2016 651186.0357
2017 569118.4842
2018 487050.9326

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