Average Flow Year 1970 1971 1972 1973 1974 (1) Find the outliers of the data set

Question

Average Flow Year 1970 1971 1972 1973 1974 (1) Find the outliers of the data sets. Exclude 1400 1200 1300 the outliers from the analyses in (2) and (3) (2) Are there a drought starting 2001 to 2018? Any statistical significant? (using t-Test) 2400 3) make a histogram 1976 977 1950 1979 1980 2500 1982 1983 1984 985 1986 1987 1988 1989 1990 1991 1992 1993 994 20 1500 1600 1000 1229 1548 1500 1532 1996 1997 1998 1999 2000 2001 2002 2003 1800 1750 3000 2005 1800 1450 2400 100 3500 1800 1234 1898 2135 2100 134 1654 2007 2008 2010 2011 2012 2013 2014 2016 2017 2018

Explanation / Answer

1) Outliers in the data set :- 1980 , 1987.1988,1990,2010

2) It seems from the Statistics clearly that there could be chances of draught if average flow in 2006 would have decreased but as per the data there is was no chances at all.

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