The weights of randomly selected quarters that were minted after 1964 are given below

The weights of randomly selected quarters that were minted after 1964 are given below. The quarters are supposed to have a median weight of 5.680g. Use the Wilcoxon signed-ranks test and a 0.01 significance level to test the claim that the median is equal to 5.680g. Do quarters appear to be minted according to specifications?
Post-1964 Quarters
5.7027 5.6234 5.5591 5.5636
5.7495 5.5928 5.5864 5.6485
5.7050 5.6486 5.6872 5.6703
5.5941 5.6661 5.6274 5.6848
5.7247 5.5361 5.6157 5.5609
5.6114 5.5491 5.6668 5.7344
5.6160 5.7239 5.7198 5.6449
5.5999 5.6555 5.6694 5.5804
5.7790 5.6063 5.5454 5.6010
5.6841 5.5709 5.6646 5.6022
a Fail to reject H0. There is sufficient evidence to warrant rejection of the claim that the memdian is 5.680. The quarters do not appear to be minted according to specifications.
 b Reject H0. There is sufficient evidence to warrant rejection of the claim that the memdian is 5.680. The quarters do not appear to be minted according to specifications.
c Reject H0. There is insufficient evidence to warrant rejection of the claim that the memdian is 5.680. The quarters do not appear to be minted according to specifications.
d Fail to reject H0. There is insufficient evidence to warrant rejection of the claim that the memdian is 5.680. The quarters do not appear to be minted according to specifications.

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