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.
This solution provides a null and alternative hypothesis and calculates and compares the test statistic to the p-value. A decision is made to accept or reject the null hypothesis of men's spending habits.