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16) To test whether the man time to mix some adhesive is the same for machines produced by four manufacturers, the company obtained DATA on the time...
16) To test whether the man time to mix some adhesive is the same for machines produced by four manufacturers, the company obtained DATA on the time (mins) needed to mix the materials. Test whether the machines have equal mean mixing time at α = 0.01
a produced= 25//23//21//23
b produces= 23//21//23//24
c produces= 25//25//25//21
d produced= 22//23//23//22
a) the pvalue 0.0001 is extreme evidence that machines are not all the same
b) insignificant evidence against h0: equal mean at pvalue 0.514 machines are considered equal
c)the data provide weak evidence against h0: eqyal meas at pvalue 0.072. equality of means remain plausible
d) none
e) data has strong evidence against h0: equal means a pvalue 0.013. the mixing machines are not equal
