In the article "Growing Pains and Fear of Gangs" (Applied Psychology in Criminal Justice, Vol. 5, No. 2, pp. 139-164), B. Brown and W. Benedict examined the relationship between worry about a gang attack and actually being a victim of a gang attack. Interviews of a sample of high school students yielded the following contingency table.

At the 1% significance level, do the data provide sufficient evidence to conclude that an association exists between worry about a gang attack and actually being a victim of a gang attack?

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Worry Yes Not Total EYe18 2 39 No 22 152 174 Total 40 173 213