Question

# Take a look at the Tukey HSD results (95% level): A subtracted from Brand Difference Lower...

Take a look at the Tukey HSD results (95% level):

A subtracted from

Brand Difference Lower Upper P-value
B 13 -15.273771 41.273771 0.598
C 46.5 18.226229 74.773771 0.0006
D 59.25 30.976229 87.523771 <0.0001

B subtracted from

Brand Difference Lower Upper P-value
C 33.5 5.2262286 61.773771 0.0155
D 46.25 17.976229 74.523771 0.0007

C subtracted from

Brand Difference Lower Upper P-value
D 12.75 -15.523771 41.023771 0.6128

Which of these statements is TRUE?

C is not significantly different than D.

A is not significantly different than D.

B is not significantly different than C.

A is not significantly different than C

C is not significantly different than D True, because the p-value between C and D is 0.6128 > alpha = 0.05. So, fail to rejedt H0, implies that no significant difference between C and D

A is not significantly different than D False, because the p-value between A and D is <0.0001 which is less than alpha that implies there is a significant difference between A and D.

B is not significantly different than C.False because the p-value is 0.0006 < alpha implies a significant difference

A is not significantly different than C, False because the p-value is 0.006 < alpha implies a significant difference

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