Discussion:
Q: To see if young men ages 9 - 17 spend more or less than the average of $24.44 per shopping trip, the manager surveyed 33 young men and found the average amount spent was $22.67. The pop std us $3.70. At alpha 0.2, can it be concluded the average amount spent by the young men is not equal to $24.44. Perform appropriate hypothesis test.