Annual precipitation at rain – gauge station X and the average annual precipitation at 20 surrounding  rain – gauge stations are given below. Examine the consistency of data at station X. Indicate at what  year a change in regime has occurred and how are you going to make the necessary adjustments

Understanding Business
12th Edition
ISBN:9781259929434
Author:William Nickels
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Annual precipitation at rain – gauge station X and the average annual precipitation at 20 surrounding 
rain – gauge stations are given below. Examine the consistency of data at station X. Indicate at what 
year a change in regime has occurred and how are you going to make the necessary adjustments

Year
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
Rainfall
(cm)
31.6
30.1
29.8
39.9
37.8
31.3
30.7
38.0
35.7
32.9
30.3
41.0
33.5
34.0
33.3
Year
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
Rainfall
(cm)
36.2
33.6
30.2
35.5
36.3
36.4
30.7
33.4
40.4
35.4
33.7
30.1
31.7
33.4
30.2
Transcribed Image Text:Year 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 Rainfall (cm) 31.6 30.1 29.8 39.9 37.8 31.3 30.7 38.0 35.7 32.9 30.3 41.0 33.5 34.0 33.3 Year 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 Rainfall (cm) 36.2 33.6 30.2 35.5 36.3 36.4 30.7 33.4 40.4 35.4 33.7 30.1 31.7 33.4 30.2
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