Is the hypothesis test left-tailed, right-tailed, or two-tailed?

The table lists frequencies for randomly selected nonfatal occupation injuries arranged according to day of the week. Assume that we want to use a 0.05 significance level to test the claim that such injuries occur with equal frequency on different days of the week. 

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Day Mon Tues Wed Thurs Fri Number 23 23 21 21 19