A nutrition counseling corporation wants to determine whether a certain diet impacts people's capabilities in swimming without taking a breath or not. A sample of 6 clients is selected - they are asked to swim as long as they can without taking a breath, before going on the die and after being on the diet for 1 month. The table below shows the performance of participants in seconds. [Use the data provided on the slide] At a=.02, test the claim that the diet improved clients' capabilities in holding their breaths at least by 0.5 seconds. Use the p value method/approach. 1.state the null and alternative hypothesis 2.choose and list the level of significance 3.specify the test and sample size 4.is this a two-tail test or a one tail test