Mathematics, 17.06.2020 16:57 shatoriahubbard3255
The Department of Transportation would like to investigate if a difference exists in the proportion of flights that arrive on-time between Alaska Airlines, Delta Airlines, Southwest Airlines, and United Airlines. The following data represent the number of on-time flights from random samples taken from each airline.
Alaska Delta Southwest United
Number on-time 90 95 95 60
Sample size 100 120 100 80
The chi-square test statistic for these samples is .
Answers: 2
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The Department of Transportation would like to investigate if a difference exists in the proportion...
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