Statement of a problem № m1219


There are four radio stations in Midland. The stations have different formats (hard rock, classical, country/western, and easy listening), but each is concerned with the number of minutes of music played per hour. From a sample of 10 randomly selected hours from each station, the sum of squared differences between each observation and the mean for its respective radio station, o(x – xC)2, are:  The total sum of squares for the data is: SS total 5 1,099.61. a. Determine SSE. b. Determine SST. c. Complete an ANOVA table. d. At the .05 significance level, is there a difference in the treatment means? e. If the mean for the hard rock station is 51.32 and the mean for the country/western station is 50.85, determine if there is a difference using the .05 significancelevel.

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