The Nenana Ice Classic is an annual contest to guess the exact time in the spring thaw when a tripod erected on the frozen Tanana River near Nenana, Alaska, will fall through the ice. The 2012 jackpot prize was $350,000. The contest has been run since 1917. Table below gives simplified data that record only the date on which the tripod fell each year. The earliest date so far is April 20. To make the data easier to use, the table gives the date each year in days starting with April 20. That is, April 20 is 1, April 21 is 2, and so on.

Group the data into periods of roughly equal length: 1917 to 1940, 1941 to 1964, 1965 to 1988, and 1989 to 2012 and find the five-number summaries (±±0.1).

	Min	Q1	Med	Q3	Max
1917-1940
1941-1964
1965-1988
1989-2012

Transcribed Image Text:

DAYS FROM APRIL 20 FOR THE TANANA RIVER TRIPOD TO FALL YEAR DAY YEAR DAY YEAR DAY YEAR DAY 1917 11 1941 14 1965 18 1989 12 1918 22 1942 11 1966 19 1990 1919 14 1943 1967 15 1991 12 1920 22 1944 15 1968 19 1992 25 1921 22 1945 27 1969 9 1993 4 1922 23 1946 16 1970 15 1994 10 1923 20 1947 14 1971 19 1995 7 1924 22 1948 24 1972 21 1996 16 1925 16 1949 25 1973 15 1997 11 1926 7 1950 17 1974 17 1998 1927 23 1951 11 1975 21 1999 10 1928 17 1952 23 1976 13 2000 12 1929 16 1953 10 1977 17 2001 19 1930 19 1954 17 1978 11 2002 18 1931 21 1955 20 1979 11 2003 10 1932 12 1956 12 1980 10 2004 1933 19 1957 16 1981 11 2005 9 1934 11 1958 10 1982 21 2006 13 1935 26 1959 19 1983 10 2007 8 1936 11 1960 13 1984 20 2008 16 1937 23 1961 16 1985 23 2009 12 1938 17 1962 23 1986 19 2010 10 1939 10 1963 16 1987 16 2011 14 1940 1 1964 31 1988 2012 3 DAYS FROM APRIL 20 FOR THE TANANA RIVER TRIPOD TO FALL YEAR DAY YEAR DAY YEAR DAY YEAR DAY 1917 11 1941 14 1965 18 1989 12 1918 22 1942 11 1966 19 1990 1919 14 1943 1967 15 1991 12 1920 22 1944 15 1968 19 1992 25 1921 22 1945 27 1969 9 1993 4 1922 23 1946 16 1970 15 1994 10 1923 20 1947 14 1971 19 1995 7 1924 22 1948 24 1972 21 1996 16 1925 16 1949 25 1973 15 1997 11 1926 7 1950 17 1974 17 1998 1927 23 1951 11 1975 21 1999 10 1928 17 1952 23 1976 13 2000 12 1929 16 1953 10 1977 17 2001 19 1930 19 1954 17 1978 11 2002 18 1931 21 1955 20 1979 11 2003 10 1932 12 1956 12 1980 10 2004 1933 19 1957 16 1981 11 2005 9 1934 11 1958 10 1982 21 2006 13 1935 26 1959 19 1983 10 2007 8 1936 11 1960 13 1984 20 2008 16 1937 23 1961 16 1985 23 2009 12 1938 17 1962 23 1986 19 2010 10 1939 10 1963 16 1987 16 2011 14 1940 1 1964 31 1988 2012 3

Answer rating: 100% (QA)

Folloiwng is the grouped data 19171940 19401964 19651988 19892012 11 14 18 12 22 11 19 5 14 9 15 12 ... View the full answer