The average height of 50 male students who were athletes was 173 cm with standard deviation of 6.5 cm. Other 50 male students who are non-athletes has an average height of 171 cm with a standard...

The average height of 50 male students who were athletes was 173 cm with standard deviation of 6.5 cm. Other 50 male students who are non-athletes has an average height of 171 cm with a standard deviation of 7 cm. Using one-tailed test:


a. What is the t-value/z-value?


b. Are male students who are athletes taller than those who are non-athletes?