Answer Happy

m/static/b/ui/evo/index.html?deploymentid=59965210682380495842758864805BN 9780357131596&id=1227369031&snapshotl=24831298 TAP Hypothesis Test for Mean, a known (Structured) Q Search this ca Wide Fowle Marketing Research, Inc, buses charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. Suppose a sample of 35 surveys produces the data in the Microsoft Excel Online File below. Use a known - 4.1 minutes. Is the premium rate justified? X Open spreadsheet Office 3 a. Formulate the null and alternative hypotheses for this application V b. Compute the value of the test statistic (to 2 dedmais) What is the value to decimals) dinge 01. premium rate justified for this die Cho My Wors Hortum Arial 10 A B I Ev av Av. . Eva E Merge General $ 0 E G G H D Hypothesis Test about a Population Mean: Sigma Known Case F Formulas Sample Size Sample Mean #N/A #N/A Hypothesized Mean Value Population Standard Deviation 15 4.1 Level of Significance 0.01 A B B Time (minutes) 20.3 13.7 16.2 18.1 13.7 17.3 14.6 17.4 18.5 9.8 151 16.6 17 14.5 19.5 11.3 16.3 20.5 21.7 15.5 12.2 18.5 25.9 14.5 21.6 ( 15.6 15.9 147 17.6 Standard Error Critical Value Test Statistic (2) #N/A #N/A #N/A p-value (Lower Tail) p-value (Upper Tail) P-value (Two Tail) #N/A #N/A #N/A Reject Null Hypothesis? #N/A Data range AA