Use the information provided below to answer the questions on the following page. Be sure to show all - work and give thorough explanations. A hair salon owner wants to know if a new hair foiling technique is faster than her current technique. She has each stylist in her salon agree to foil half of a customer's hair using each technique. The stylist will flip a coin to determine which technique they use first and then they will record the times in minutes. Current Technique (min) New Technique (min) 25 18 31 28 26 18 35 31 28 30 19 14 1. Define HD. 2. Why does a paired t test make more sense for this problem than a 2 sample t interval? 3. Check conditions. 4. Calculate a 90% confidence interval for the true difference in technique time between the current technique and the new technique at the hair salon. 5. Interpret your results. 6. Is there evidence that there is a time difference between the foiling techniques? Justify your