Statistics: Non-Parametric Tests – #214


Question: A cereal researcher tests three different brands of breakfast drinks to see how many milliequivalents of potassium per quart each contains. The data is shown in the table below. At Alpha = 0.01, is there evidence to reject the claim that all brands contain the same amount of potassium?

POTASSIUM PER QUART

BRAND A BRAND B BRAND C
4.7 5.3 6.3
3.2 6.4 8.2
5.1 7.3 6.2
5.2 6.8 7.1
5.0 7.2 6.6
3.9 5.7 7.6

only-members
 

log in

reset password

Back to
log in