43. "The hydrofoil ride from Hong Kong to Macao is one ofthegreatboatridesintheworld.The companythat runs the shuttle is testing a new boat designed especiallyfortheroute. One-waytransittimes,inminutes, are given below for 10 test runs:

70.575.072.676.074.3

74.8 69.0 80.5 74.9 72.4

a. Construct the box plot and use the "1.5 inter-quartile range" approach to identify any outliers.

b. Use the "3-standard-deviation" approach to identify any outliers. (Thestandarddeviationofthetransit time data is 3.0 minutes.)

c. Calculatethez-score for the value 69.0. "

111. ConsumerElectronics reportsthatoverthepasteightyears domestic sales of flat panel televisions have grown from61,000setsto1,440,000sets.

Use the geometricmeanto computetheaverageannualgrowth ratefor flat-panel television sales."

113. J. Goveia, a long-distance bike racer, just rode 24minutes up one side of Milkrun Hill at 3 mph and 6 minutes down theothersideat50mph. Hemistakenlycomputeshisaveragespeedoverthatstretch ofroad as(3 + 50)/2 = 26.5 mph.

Apply a weighted average approachusing theminutesateachspeedasweightstoproducethereal average speed appropriate here."