Many people think that the full moon prompts strange behaviour and occurrences. One commonly held belief is that epileptic seizures are more frequent during a full moon. To check this claim, a researcher observed that, among 470 epileptic seizures monitored at Tampa General Hospital, 103 occurred during the new moon, 121 during the first quarter, 94 during the full moon, and 152 during the last quarter. [Source: Los Angeles Times, June 7, 2004, p. F2.]
a. Are these data consistent with a model of equal likelihood of seizures during the four periods? If not, where are the largest deviations from the model?
b. What else would you like to know about the time frames in which these data were collected?