Having issues with these problems

1) A firm conducted a management progress study with AT&T management job holders to assess the performance of those who possessed a college degree and those who did not. Let us refer to the two groups of participants as college and non-college participants, respectively. The sample included 274 college and 148 non-college participants. In the area of motivation for advancement, the mean scores were 2.89 for college participants and 2.70 for non-college conclude that participants, with the two standard deviations being 0.57 and 0.64 respectively. correlation Test at the 1% significance level if the mean score in the area of motivation for advancement is higher for college degree holders than for non-college participants [20 points] 3) A recent article in the New York Times, discussed the new Whole Foods Market in the Upper West Side in New York City. The following data compared the price of some kitchen staples at it. the new Whole Foods Market and the Fairway Supermarket located about 20 blocks away from Item Half-gallon Milk Whole Foods Fairway Dozen eggs 2.19 1.35 Tropicana Orange Juice (64 0z) 2.39 1.69 Head of Boston lettuce 2.00 2.49 1.98 Ground round 1lb 1.29 4.99 Bumble Bee Tuna (6 oz) 3.69 1.79 Granny Smith Apples (1lb) 1.33 1.69 1.49 Box De Cecco linguini 1.99 Salmon Steak (1/b) 1.59 7.99 5.99 Whole Chicken per pound 2. 19 1.49 And given the following StatCrunch output, is there evidence that the mean price is higher at Whole Foods Market than at the Fairway Supermarket? Difference Sample Diff. Std. Err. DF T-Stat P-value Whole Foods - Fairway 0.68 0.2076161 9 0.0048 Ho : Ha : Test Statistic Conclusion (based on P-value)