Practice Final Examination

Using a 1% level of significance, is there sufficient evidence for Q-Mart to conclude that customers who use the Q-Mart card charge, on average, more than those who use another charge card? Explain your answer. Suppose that you were asked to test H0: = 10 versus Ha: > 10 at the = 0.05 significance level and with a sample of size n = 10. ................
................