An airline claims that the median price of a round-trip ticket is less than $503.For a random sample of 400 tickets,the value of the Wilcoxon sign-ranks test is 
.
A)Specify the competing hypothesis in order to determine whether the median ticket price is less than $503.
B)Assume the normal approximation for the distribution of T,and calculate the value of the corresponding test statistic.
C)At the 10% significance level,what is the decision and conclusion?
Definitions:
F-ratio
A statistic used in ANOVA tests to compare the variability between group means to the variability within groups.
Participants
Individuals who take part in a study or experiment, providing data for analysis.
Groups
Collections of subjects, items, or categories that are studied in research or statistical analyses.
One-way ANOVA
A statistical test used to determine if there are statistically significant differences between the means of three or more independent groups based on one variable.
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