You complete an analysis that shows the stock market, as represented by the S&P 500, increases, or has a positive return after accounting for trading costs, 80% of the time on a day following an evening when wrestling is broadcast on television and a contestant, whether male or female, is beat with a chair. Your study would be categorized as:

a. A Runs Test.

d. An Insider Anomaly Study.

b. A Test of Autocorrelation.

e. All of the above answers are correct.

c. A Rate of Return Study.

f. None of the above answers is correct.