For test of hypothesis, questions include

,Ho, Ha, Test Statistic, P-Value and Conclusion

2)Are low-fat diets or low-carb diets more effective for weight loss? A sample of 77 subjects went on a low-carb diet for 6 months and the mean weight loss was 4.7 Kg with a standard deviation of 7.16 Kg. A second sample of 79 subjects went on a low-fat diet for 6 months. Their weight loss sample mean was 2.6 Kg with a standard deviation of 5.9 Kg. Can we conclude that the mean weight loss differs between the two diets at the .05 significance level?

Can I get help breaking this problem down please and with the TI84 CALCULATOR COMMANDS PLEASE