A Chi-Square Statistic Was calculated to Relate People's Feelings of Safety

A chi-square statistic was calculated to relate people's feelings of safety (No, Yes) and whether they or not they felt the police did a good job (No, Yes) . If the null hypothesis is not rejected, which is the most appropriate conclusion that can be made?

A) There is no relationship between people's feelings and their satisfaction with police.
B) The groups are not all equal to each other.
C) The expected frequencies differed significantly from the observed frequencies.
D) The was a very large effect between the expected and observed frequencies.