1. This below contains cholesterol data on the cholesterol level for individuals before and after a treatment. A doctor unaffiliated with the treatment claims the treatment actually increases the cholesterol level. Evaluate this using the appropriate hypothesis test at the alpha = 0.01 level and report the p-value to at least at least 2 significant digits

before	after
156.8702	152.0462
233.788	225.6595
225.6456	232.2811
188.3474	192.5558
204.4523	230.3746
215.589	232.68
207.6941	223.8019
213.9273	200.2532
197.7457	191.2303
199.2235	210.2543
201.7618	204.5436
184.2069	211.5582
228.4592	256.5765
200.1266	199.4147
213.7296	234.8567