Question: As part of a project for their Intro Stat course, two students compared two brands of chips, Frito Lays and Golden Flakes, to see which

As part of a project for their Intro Stat course, two students compared two brands of chips, Frito Lays and Golden Flakes, to see which company gives you more for your money. Five bags of each brand (which, according to the label, each contained 35.4 grams) were measured with a very accurate scale. Use the Wilcoxon Rank-Sum test to see if there are any significant differences between the two brands in the amount of product they put in their bags.
Frito Lays: 35.3 35.4 35.8 35.9 35.9
Golden Flake: 35.3 37.8 38.8 38.1 42.5 8.


Which of the following kinds of data should be analyzed with non-parametric procedures?
(a) normal
(b) continuous
(c) ranks
(d) all of the above


8. Given that all the necessary assumptions for each test are satisfied, which are more powerful at finding significant differences?
(a) Nonparametric procedures, since their assumptions are generally easier to satisfy.
(b) Normal-based procedures, since they take into consideration the shape of the distribution.
(c) Nonparametric procedures, since their assumptions are generally harder to satisfy.
(d) Normal-based procedures, since they work for distributions of almost any shape

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