The median age for a male at the time of his first marriage has been reported as 27.5 years. In a given region, a random sample of males’ first marriages showed the ages listed in data file XR14011. Using the 0.05 level of significance, test whether the median age at which males in this region are first married could be the same as that for the nation as a whole. Identify and interpret the p-value for the test.
A computer and statistical software.