An airline wants to select a computer software package for its reservation system. four software packages (1, 2, 3, and 4) are commercially available. the airline will choose the package that bumps the fewest mean number of passengers as possible during a month. an experiment is set up in which each package is used to make reservations for 5 randomly selected weeks. (a total of 20 weeks was included in the experiment.) the number of passengers bumped each week is given below. how should the data be analyzed? package 1: 12, 14, 9, 11, 16package 2: 2, 4, 7, 3, 1package 3: 10, 9, 6, 10, 12package 4: 7, 6, 6, 15, 12a) t test for the differences in meansb)f test for differences in variancesc) t test for the mean differenced) one-way anova f test

Amovie producer conducted a survey after the screening of his movie to find out how the film would be received by viewers from different age groups. the columns in the two-way table indicate the numbers of viewers who rated the film on a four-point scale: excellent, good, average, and poor. viewer's age group excellent good average poor marginal totals 16-25 52 42 12 7 113 26-35 33 50 5 9 97 36-45 58 12 28 34 132 which of these observations is supported by the data in the table? note: a rating of good or excellent means the audience liked the movie, while a rating of poor means the audience disliked the movie. a. the majority of the audience in the 26-35 age group disliked the movie. b. among those who liked the movie, the majority were in the oldest age group. c. among those who disliked the movie, the majority were in the 26-35 age group. d. the majority of the audience in the 16-25 age group liked the movie. e. the majority of the audience from all the age groups disliked the movie