Safari File Edit View History Bookmarks Window Help 29% (4) Fri 3:57 PM A uk.instructure.com WileyPLUS HW4 My Questions | bartleby Modules Current Attempt in Progress Syllabus Using Percentiles to...

Extracted text: Safari File Edit View History Bookmarks Window Help 29% (4) Fri 3:57 PM A uk.instructure.com WileyPLUS HW4 My Questions | bartleby Modules Current Attempt in Progress Syllabus Using Percentiles to Estimate Tea vs Coffee Immune Response WileyPLUS Support Course Materials A study was conducted to estimate the difference in mean immune response (as measured in the study) between tea drinkers and coffee drinkers. The Account data are given in Table 1 below and are available in ImmuneTea. Tea 11 13 18 20 47 Dashboard 48 52 55 56 58 Coffee 3 11 15 16 Courses 21 21 38 52 Groups Table 1 Immune system response in tea and coffee drinkers Calendar Click here for the dataset associated with this question. Inbox Click here to access Statkey. (? Help (a) Give the best estimate for the difference in means: tea drinkers mean immune response minus coffee drinkers mean immune response. Round your answer to two decimal places. X; - Xc = i FEB 21


Extracted text: Safari File Edit View History Bookmarks Window Help 30% (4) Fri 3:57 PM A uk.instructure.com WileyPLUS HW4 My Questions | bartleby (c) Using Statkey (with 1000 samples) or other technology, construct a 90% confidence interval. Round your answers to two decimal places. Account The 90% confidence interval is to Dashboard Courses (d) Using Statkey (with 5000 samples) or other technology, construct a 99% confidence interval. Groups Round your answers to two decimal places. Calendar The 99% confidence interval is to Inbox (? Help (e) Based on this sample and the results in parts (c) and (d), are we 90% confident that tea drinkers have a stronger immune response? Are we 99% confident? FEB 21