Marian found that the average height of female students in her psychology class was 63 inches with a standard deviation of 2.2. Which statistic should she use to determine if the difference between...

Marian found that the average height of female students in her psychology class was 63 inches with a standard deviation of 2.2. Which statistic should she use to determine if the difference between her classmates' average height and the population mean of female adults (Mean = 64 inches; standard deviation = 3.5) is statistically significant.