Question: You have been provided with JSE sector and benchmark data in the worksheet Sector Returns. Please conduct the following statistical tests (Z-tests & T-tests) to

You have been provided with JSE sector and benchmark data in the worksheet Sector Returns. Please conduct the following statistical tests (Z-tests & T-tests) to determine: Whether any of the sector returns achieved an average return greater than zero assuming that the data are: Normally distributed Follow a student-t distribution assuming equal variances Follow a student-t distribution assuming unequal variances

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