"Suicides in Saskatchewan declined by more than 13% from 1982 to 1983" was the headline in the Saskburg Times in early 1984. The article went on to interview several noted experts on suicide who gave possible reasons for the large decline.As a student of a statistics course, you come across the article and decide to check out the data from Saskatchewan Health and Vital Statistics Annual Report, for years 1978-1989. The data is in the table below.

Year/Number of Suicides

1978/164

1979/142

1980/153

1981/171

1982/171

1983/148

1984/136

1985/133

1986/138

1987/132

1988/145

1989/124

Test the hypothesis that the number of suicides reported for each year from 1978 to 1989 does not differ significantly in each year.