thing- A study wey trent reaching methods on potent wire Forence. A scientist selects 60 people tim From a training facility to recieve the mowed(AL hotties Co random students are selected from anaddict mity values is to recieve method (B ). to how it is done in the 2) Dependent sampling - A study evaluating his feckvenews a new medication on blood Pressure, Researchers means the blood Pressure of Go Patients before they that invention this after around 8 weeks the summer wint give turnover Finishing the medication. (10 points) A major wholesale grocery store chain conducts a spending habits study of its Friday (Test version A) - 6/13/25 customers to see if patrons that use cash to make a grocery purchase tend to spend less on average than patrons Problem 2 that purchase with credit. A random sampling of 25 shoppers that used cash show a mean of $227 spent with standard deviation of $32. A random sample of 18 shoppers that used credit to make their purchase show a mean of $242 spent with standard deviation of $45. Do shoppers that use cash tend to spend less than those that purchase with credit? Test at the 0.05 level of significance. (Hint: We can treat the two populations as independent.) Note that one of our conditions will not hold here. Comment on this at the appropriate step and then proceed as usual. Ho : PI = Pz ti. PI